tuft (n.) Look up tuft at Dictionary.com
"bunch of soft and flexible things fixed at the base with the upper ends loose," late 14c., of uncertain origin, perhaps from Old French touffe "tuft of hair" (14c.), which is either from Late Latin tufa "a kind of crest on a helmet" (also found in Late Greek toupha), or from a Germanic source (compare Old High German zopf, Old Norse toppr "tuft, summit;" see top (n.1)). As a verb from 1530s. Related: Tufted.
tug (v.) Look up tug at Dictionary.com
c. 1200, from weak grade of Old English teohan "to pull, drag," from Proto-Germanic *teuhan "to pull" (cognates: Old High German zucchen "to pull, jerk," German zücken "to draw quickly), from PIE root *deuk- "to lead" (see duke (n.)). Related to tow (v.). Related: Tugged; tugging.
tug (n.) Look up tug at Dictionary.com
mid-14c., in reference to some part of a harness;" c. 1500 as "act of pulling or dragging," from tug (v.). Meaning "small, powerful vessel for towing other vessels" is recorded from 1817. Phrase tug of war (1670s) was originally figurative, "the decisive contest, the real struggle," from the noun in the sense "supreme effort, strenuous contest of forces" (1650s). As an actual athletic event, from 1876.
tugboat (n.) Look up tugboat at Dictionary.com
also tug-boat, 1830, from tug (n.) + boat (n.).
Tuileries Look up Tuileries at Dictionary.com
former palace in Paris, begun by Catherine de Medici, 1564; so called because it was built on the site of an ancient tile-works, from Old French tieule "tile," from Latin tegula (see tile (n.)). The former residence of the royal court, it was destroyed by fire in 1871 and now is the site of the Jardin des Tuileries.
tuition (n.) Look up tuition at Dictionary.com
early 15c., "protection, care, custody," from Anglo-French tuycioun (13c.), Old French tuicion "guardianship," from Latin tuitionem (nominative tuitio) "a looking after, a caring for, watching over, protection, guardianship," from tuitus, past participle of tueri "to look after" (see tutor (n.)). Meaning "action or business of teaching pupils" is recorded from 1580s. The meaning "money paid for instruction" (1828) probably is short for tuition fees, in which tuition refers to the act of teaching and instruction (a sense attested from 1580s).
tulip (n.) Look up tulip at Dictionary.com
1570s, via Dutch or German tulpe, French tulipe "a tulip" (16c.), all ultimately from Turkish tülbent "turban," also "gauze, muslin," from Persian dulband "turban;" so called from the fancied resemblance of the flower to a turban.

Introduced from Turkey to Europe, where the earliest known instance of a tulip flowering in cultivation is 1559 in the garden of Johann Heinrich Herwart in Augsburg; popularized in Holland after 1587 by Clusius. The tulip-mania raged in Holland in the 1630s. The full form of the Turkish word is represented in Italian tulipano, Spanish tulipan, but the -an tended to drop in Germanic languages, where it was mistaken for a suffix. Tulip tree (1705), a North American magnolia, so called from its tulip-shaped flowers.
tulle (n.) Look up tulle at Dictionary.com
fine silk bobbin-net, 1817, from Tulle, town in central France, where the fabric was first manufactured. The place name is Medieval Latin Tutelae, said to be from Tutela, name of a pagan god.
tumble (v.) Look up tumble at Dictionary.com
c. 1300, "to perform as an acrobat," also "to fall down," perhaps from a frequentative form of Old English tumbian "dance about, tumble, leap." This is of unknown origin but apparently related to Middle Low German tummelen "to turn, dance," Dutch tuimelen "to tumble," Old High German tumon, German taumeln "to turn, reel." Transitive sense from late 14c. Related: Tumbled; tumbling.
tumble (n.) Look up tumble at Dictionary.com
"accidental fall," 1716, from tumble (v.). Earlier as "disorder, confusion" (1630s).
tumble-down (adj.) Look up tumble-down at Dictionary.com
1791, originally "habitually falling down" and used first of horses, from tumble (v.) + down (adv.); in reference to buildings, "in a dilapidated condition," from 1818.
tumbler (n.) Look up tumbler at Dictionary.com
mid-14c., "acrobat," agent noun from tumble (v.). Compare Old English tumbere "tumbler, dancer." A fem. form was tumblester (early 15c.), tumbester (late 14c.) "female acrobatic dancer." Meaning "drinking glass" is recorded from 1660s, originally a glass with a rounded or pointed bottom which would cause it to "tumble;" thus it could not be set down until it was empty. As a part of a lock mechanism, from 1670s.
tumbleweed (n.) Look up tumbleweed at Dictionary.com
also tumble-weed, 1881, from tumble (v.) + weed (n.).
tumbrel (n.) Look up tumbrel at Dictionary.com
mid-15c., "two-wheeled cart for hauling dung, stones, etc.," earlier an instrument of punishment of uncertain type (early 13c.), from Old French tomberel "dump cart" (Modern French tombereau), from tomber "(let) fall or tumble," possibly from a Germanic source (compare Old Norse tumba "to tumble," Old High German tumon "to turn, reel;" see tumble (v.)). Notoriously the name given to the carts used to take victims to the guillotine during the Reign of Terror (though illustrations often show four-wheeled carts, not true tumbrels).
tumefaction (n.) Look up tumefaction at Dictionary.com
"morbid swelling," early 15c., from Medieval Latin tumefaccionem (nominative tumefaccio), noun of action from Latin tumefactus, from tumescere "begin to swell, swell up" (see tumescence).
tumescence (n.) Look up tumescence at Dictionary.com
1725, from French tumescence, from Latin tumescentem (nominative tumescens) "swelling," present participle of tumescere "begin to swell, swell up," figuratively "grow excited, become enraged," inceptive of tumere "to swell" (see tumid), with inchoative suffix -escere.
tumescent (adj.) Look up tumescent at Dictionary.com
1806, from Latin tumescentem (nominative tumescens), present participle of tumescere "to begin to swell, swell up," figuratively "grow excited, become enraged," inceptive of tumere "to swell" (see tumid), with inchoative suffix -escere.
tumid (adj.) Look up tumid at Dictionary.com
"morbidly swollen," 1540s, from Latin tumidus "swollen, swelling, rising high," figuratively "swollen with anger or pride," from tumere "to swell," from PIE root *teue- (2) "to swell" (see thigh). Figurative sense in English (in reference to prose, etc.) is attested from 1640s. Related: Tumidity.
tummy (n.) Look up tummy at Dictionary.com
1867, infantile for stomach. Tummy-ache is attested from 1874.
tumor (n.) Look up tumor at Dictionary.com
early 15c., from Latin tumor "swelling, condition of being swollen, a tumor," from tumere "to swell" (see tumid).
tumour (n.) Look up tumour at Dictionary.com
chiefly British English spelling of tumor; see -or.
tumulous (adj.) Look up tumulous at Dictionary.com
1727, from Latin tumulosus "full of hills," from tumulus "hill, mound, heap of earth" (see tumulus).
tumult (n.) Look up tumult at Dictionary.com
late 14c., from Old French tumult (12c.), from Latin tumultus "commotion, bustle, uproar, disorder, disturbance," related to tumere "to be excited, swell" (see tumid).
tumultuous (adj.) Look up tumultuous at Dictionary.com
1540s, from Middle French tumultuous (Modern French tumultueux), from Latin tumultuosus "full of bustle or confusion, disorderly, turbulent," from tumultus (see tumult). Related: Tumultuously; tumultuousness.
tumulus (n.) Look up tumulus at Dictionary.com
ancient burial mound, 1680s, from Latin tumulus "hillock, heap of earth, mound," related to tumere "to swell" (see tumid).
tun (n.) Look up tun at Dictionary.com
"large cask," especially one for wine, ale, or beer, Old English tunne "tun, cask, barrel," a general North Sea Germanic word (compare Old Frisian tunne, Middle Dutch tonne, Old High German tunna, German tonne), also found in Medieval Latin tunna (9c.) and Old French tonne (diminutive tonneau); perhaps from a Celtic source (compare Middle Irish, Gaelic tunna, Old Irish toun "hide, skin"). Tun-dish (late 14c.) was a funnel made to fit into the bung of a tun.
-- That? said Stephen. -- Is that called a funnel? Is it not a tundish? --
-- What is a tundish? --
--That. The ... the funnel. --
--Is that called a tundish in Ireland? -- asked the dean. -- I never heard the word in my life. --
-- It is called a tundish in Lower Drumcondra -- said Stephen, laughing -- where they speak the best English.--
-- A tundish -- said the dean reflectively. -- That is a most interesting word I must look that word up. Upon my word I must. --
His courtesy of manner rang a little false, and Stephen looked at the English convert with the same eyes as the elder brother in the parable may have turned on the prodigal. [Joyce, "Portrait of the Artist as a Young Man"]
tuna (n.) Look up tuna at Dictionary.com
1881, from American Spanish (California) tuna, from Spanish atun, from Arabic tun, borrowed, probably in Spain, from Latin thunnus "tunny" (see tunny).
tundra (n.) Look up tundra at Dictionary.com
an Arctic steppe, 1841, from Russian tundra, from Lappish tundar, said to mean "elevated wasteland" or "a marshy plain."
tune (n.) Look up tune at Dictionary.com
early 14c., "a musical sound," unexplained variant of tone (n.). From late 14c. as "a well-rounded succession of musical notes, an air, melody." Meaning "state of being in proper pitch" is from mid-15c.
tune (v.) Look up tune at Dictionary.com
"bring into a state of proper pitch," c. 1500, from tune (n.). Non-musical meaning "to adjust an organ or receiver, put into a state proper for some purpose" is recorded from 1887. Verbal phrase tune in in reference to radio (later also TV) is recorded from 1913; figurative sense of "become aware" is recorded from 1926. Tune out "eliminate radio reception" is recorded from 1908; figurative sense of "disregard, stop heeding" is from 1928. Related: Tuned; tuning.
tune-up (n.) Look up tune-up at Dictionary.com
"adjustments made to an automobile to improve its working," 1911, from verbal phrase tune up "bring to a state of effectiveness," 1718, in reference to musical instruments, from tune (v.) + up (adv.). Attested from 1901 in reference to engines. Meaning "event that serves as practice for a later one" is from 1934, U.S. sports jargon.
tuneful (adj.) Look up tuneful at Dictionary.com
1590s, from tune (n.) + -ful. Related: Tunefully.
tuneless (adj.) Look up tuneless at Dictionary.com
1590s, from tune (n.) + -less. Related: Tunelessly; tunelessness.
tuner (n.) Look up tuner at Dictionary.com
"one who tunes musical instruments," 1801, agent noun from tune (v.). From 1570s as "musician, singer." From 1909 as "device for varying the frequency of a radio or (later) television."
tunesmith (n.) Look up tunesmith at Dictionary.com
1926, U.S. colloquial coinage, from tune (n.) + smith (n.).
tung Look up tung at Dictionary.com
1889, from Chinese tong.
tungsten (n.) Look up tungsten at Dictionary.com
rare metallic element, 1796, from Swedish tungsten "calcium tungstate," coined 1780 by its discoverer, Swedish chemist Karl Wilhelm Scheele (1742-1786) from tung "heavy" + sten "stone" (see stone (n.)). The word was used earlier as the name for calcium tungstate (1770). Atomic symbol W is from Latin wolframium, from German Wolfram "iron tungstate" (see wolfram).
tunic (n.) Look up tunic at Dictionary.com
late 15c., from Middle French tunique (12c.) or directly from Latin tunica "undergarment worn by either sex" (source of Spanish tunica, Italian tonica, Old English tunece, Old High German tunihha), probably from a Semitic source (compare Hebrew kuttoneth "coat," Aramaic kittuna). Also see chitin.
tunicate (adj.) Look up tunicate at Dictionary.com
1760, from Latin tunicatus "clothed with a tunic only (i.e. without a toga), in shirt-sleeves," past participle of tunicare "to clothe in a tunic," from tunica (see tunic). As a noun, from 1848.
tuning (n.) Look up tuning at Dictionary.com
1550s, "action of putting in tune," verbal noun from tune (v.). Of motors, from 1863. Tuning fork attested from 1776, supposedly invented by John Shore (d.1753), royal trumpeter.
[Shore] was a man of humour and pleasantry, and was the original inventor of the tuning-fork, an instrument which he constantly carried about him, and used to tune his lute by, and which whenever he produced it gave occasion to a pun. At a concert he would say, "I have not about me a pitch-pipe, but I have what will do as well to tune by, a pitch-fork." [Sir John Hawkins, "A General History of the Science and Practice of Music," London, 1776]
tunnel (n.) Look up tunnel at Dictionary.com
early 15c., "funnel-shaped net for catching birds," from Middle French tonnelle "net," or tonel "cask," diminutive of Old French tonne "tun, cask for liquids," possibly from the same source as Old English tunne (see tun).

Sense of "tube, pipe" (1540s) developed in English and led to sense of "underground passage" (1660s). This sense subsequently has been borrowed into French (1878). The earlier native word for this was mine (n.). Meaning "burrow of an animal" is from 1873. Tunnel vision first recorded 1912. The amusement park tunnel of love is attested from 1911 (in reference to New York's Luna Park). The figurative light at the end of the tunnel has been seen since 1882.
The "Tunnel of Love," an attraction found at many amusement parks, has been responsible for a surprising number of proposals. In this and similar devices, couples are allowed to drift through dark or semi-dark underground caverns, usually in a boat or gondola borne on an artificial stream of water. ... Their dim interiors often give a bashful young man the opportunity to propose. ["The American Magazine," July 1922]
tunnel (v.) Look up tunnel at Dictionary.com
"excavate underground," 1795, from tunnel (n.). From 1570s as "furnish with a tunnel." Related: Tunneled; tunneling.
tunny (n.) Look up tunny at Dictionary.com
large sea-fish of the mackerel order, 1520s, probably from Middle French thon (14c.), from Old Provençal ton and directly from Latin thunnus "a tuna, tunny," from Greek thynnos "a tuna, tunny," possibly with a literal sense of "darter," from thynein "dart along."
tup (n.) Look up tup at Dictionary.com
"male sheep," c. 1300, Scottish and Northern English; of unknown origin. As a verb, "to copulate," 1540s. Related: Tupped; tupping.
tupelo (n.) Look up tupelo at Dictionary.com
American black gum tree, 1730, from an Algonquian language, such as Cree ito opilwa "swamp tree," Muskogee eto opelwv.
Tupi (n.) Look up Tupi at Dictionary.com
a native language group of South America, also Tupian.
tuppence (n.) Look up tuppence at Dictionary.com
mid-15c., to-pens, representing the common pronunciation of twopence (see two + pence).
Tupperware (n.) Look up Tupperware at Dictionary.com
1954, trademark (reg. U.S.), from Earl S. Tupper, president of Tupper Corp., + ware (n.). Patent claims use from 1950.
tuque (n.) Look up tuque at Dictionary.com
type of cap worn in Canada, 1871, from Canadian French variant of French toque (see toque).
turban (n.) Look up turban at Dictionary.com
1560s, from Middle French turbant (15c.), from Italian turbante (Old Italian tolipante), from Turkish tülbent "gauze, muslin, tulle," from Persian dulband "turban." The change of -l- to -r- may have taken place in Portuguese India and thence been picked up in other European languages. A men's headdress in Muslim lands, it was popular in Europe and America c. 1776-1800 as a ladies' fashion. Related: Turbaned.