captious (adj.) Look up captious at Dictionary.com
c.1400, capcyus, from Middle French captieux (15c.) or directly from Latin captiosus "fallacious," from captionem (nominative captio) "a deceiving, fallacious argument," literally "a taking (in)," from captus, past participle of capere "to take, catch" (see capable). Related: Captiously; captiousness.
captivate (v.) Look up captivate at Dictionary.com
1520s, "to enthrall with charm," from Late Latin captivatus, past participle of captivare "to take, capture," from captivus (see captive). Literal sense (1550s) is rare or obsolete in English, which uses capture (q.v.). Latin captare "to take, hold" also had a transferred sense of "to entice, entrap, allure." Related: Captivated; captivating; captivatingly.
captive (adj.) Look up captive at Dictionary.com
late 14c., "imprisoned, enslaved," from Latin captivus "caught, taken prisoner," from captus, past participle of capere "to take, hold, seize" (see capable). As a noun from c.1400; an Old English noun was hæftling, from hæft "taken, seized."
captivity (n.) Look up captivity at Dictionary.com
late 14c., Old French *captivite or directly from Latin captivitatem (nominative captivitas), from captivus (see captive (n.)). An Old English cognate word for it was gehæftnes (see haft).
captor (n.) Look up captor at Dictionary.com
1680s, from Latin captor "a catcher," agent noun from captus, past participle of capere "to take" (see capable). Earlier it meant "censor" (1640s). Fem. form captress recorded from 1867.
capture (n.) Look up capture at Dictionary.com
1540s, from Middle French capture "a taking," from Latin captura "a taking" (especially of animals), from captus (see captive).
capture (v.) Look up capture at Dictionary.com
1795, from capture (n.); in chess, checkers, etc., 1820. Related: Captured; capturing. Earlier verb in this sense was captive (early 15c.).
Capuchin (n.) Look up Capuchin at Dictionary.com
1520s, from Middle French capuchin (16c., Modern French capucin), from Italian capuccino, diminutive of capuccio "hood," augmentative of cappa (see cap (n.)). Friar of the Order of St. Francis, under the rule of 1528, so called from the pointed hoods on their cloaks. As a type of monkey, 1785, from the shape of the hair on its head, thought to resemble a cowl.
caput (n.) Look up caput at Dictionary.com
"head," in various senses, from Latin caput (see capitulum).
capybara (n.) Look up capybara at Dictionary.com
South American rodent, 1774, from some Tupi (Brazilian) native name.
car (n.) Look up car at Dictionary.com
c.1300, "wheeled vehicle," from Anglo-French carre, Old North French carre, from Vulgar Latin *carra, related to Latin carrum, carrus (plural carra), originally "two-wheeled Celtic war chariot," from Gaulish karros, a Celtic word (compare Old Irish and Welsh carr "cart, wagon," Breton karr "chariot"), from PIE *krsos, from root *kers- "to run" (see current (adj.)).

"From 16th to 19th c. chiefly poetic, with associations of dignity, solemnity, or splendour ..." [OED]. Used in U.S. by 1826 of railway freight carriages and of passenger coaches on a railway by 1830; by 1862 of a streetcar or tramway car. Extension to "automobile" is by 1896, but from 1831 to the first decade of 20c. the cars meant "railroad train." Car bomb first 1972, in reference to Northern Ireland. The Latin word also is the source of Italian and Spanish carro, French char.
car-pool (n.) Look up car-pool at Dictionary.com
also carpool, 1942, American English, from car + pool (n.2). As a verb from 1962. Related: Carpooled; carpooling.
carabineer (n.) Look up carabineer at Dictionary.com
"mounted soldier armed with a carbine," 1670s, from French carabinier (17c.), from carabine "carbine" (see carbine). Italian carabinieri "soldiers serving as a police force" is the same word.
carabinieri (n.) Look up carabinieri at Dictionary.com
"Italian police" (plural), from Italian carabinieri, plural of carabiniere, from French carabinier (see carabineer).
carafe (n.) Look up carafe at Dictionary.com
1786, from French carafe (17c.), from Italian caraffa (or Spanish garrafa), probably from Arabic gharraf "drinking cup," or Persian qarabah "a large flagon."
caramba Look up caramba at Dictionary.com
exclamation of dismay or surprise, 1835, from Spanish, said to be a euphemism for carajo "penis," from Vulgar Latin *caraculum "little arrow."
caramel (n.) Look up caramel at Dictionary.com
1725, from French caramel "burnt sugar" (17c.), via Old Spanish caramel (modern caramelo), ultimately from Medieval Latin cannamellis, traditionally from Latin canna (see cane (n.)) + mellis, genitive of mel "honey" (see Melissa). But some give the Medieval Latin word an Arabic origin, or trace it to Latin calamus "reed, cane."
caramelize (v.) Look up caramelize at Dictionary.com
1837, from caramel + -ize. Earlier was past participle adjective carameled (1727). Related: Caramelized; caramelizing.
carapace (n.) Look up carapace at Dictionary.com
1836, from French carapace "tortoise shell" (18c.), from Spanish carapacho or Portuguese carapaça, of uncertain origin, perhaps somehow from Latin capa (see cape (n.1)).
carat (n.) Look up carat at Dictionary.com
also karat, mid-15c., from Middle French carat "measure of the fineness of gold" (14c.), from Italian carato or Medieval Latin carratus, both from Arabic qirat "fruit of the carob tree," also "weight of 4 grains," from Greek keration "carob seed," also the name of a small weight of measure (one-third obol), literally "little horn" diminutive of keras "horn" (see kerato-).

Carob beans were a standard for weighing small quantities. As a measure of diamond weight, from 1570s in English. The Greek measure was the equivalent of the Roman siliqua, which was one-twentyfourth of a golden solidus of Constantine; hence karat took on a sense of "a proportion of one twentyfourth" and became a measure of gold purity (1550s). Eighteen carat gold is eighteen parts gold, six parts alloy. It is unlikely that the classical carat ever was a measure of weight for gold.
caravan (n.) Look up caravan at Dictionary.com
1580s, from Middle French caravane, from Old French carvane, carevane "caravan" (13c.), or Medieval Latin caravana, picked up during the Crusades from Persian karwan "group of desert travelers" (which Klein connects to Sanskrit karabhah "camel"). Used in English for "vehicle" 17c., especially for a covered cart. Hence, in modern British use (from 1930s), often a rough equivalent of the U.S. mobile home.
caravansary (n.) Look up caravansary at Dictionary.com
alternative spelling of caravanserai.
caravanserai (n.) Look up caravanserai at Dictionary.com
1590s, carvanzara, "Eastern inn (with a large central court) catering to caravans," ultimately from Persian karwan-sarai, from karwan (see caravan) + sara'i "palace, mansion; inn," from Iranian base *thraya- "to protect" (see seraglio).
caravel (n.) Look up caravel at Dictionary.com
1520s, from Middle French caravelle (15c.), from Spanish carabela or Portuguese caravela, diminutive of caravo "small vessel," from Late Latin carabus "small wicker boat covered with leather," from Greek karabos, literally "beetle, lobster" (see scarab). Earlier form carvel (early 15c.) survives in carvel-built (adj.).
caraway (n.) Look up caraway at Dictionary.com
late 13c., from Old Spanish alcarahuaya, alcaravea, from Arabic al-karawiya, of unknown origin but suspected to be somehow from Greek karon "cumin." Also as Anglo-Latin carvi, Old French carvi.
carb (n.) Look up carb at Dictionary.com
1942 as an abbreviation of carburetor; c.2000 as short for carbohydrate.
carbide (n.) Look up carbide at Dictionary.com
compound formed by combination of carbon and another element, 1848, from carb-, comb. form of carbon + chemical suffix -ide. The earlier word was carburet.
carbine (n.) Look up carbine at Dictionary.com
short rifle, 1580s, from French carabine (Middle French carabin), used of light horsemen and also of the weapon they carried, of uncertain origin, perhaps from Medieval Latin Calabrinus "Calabrian" (i.e., "rifle made in Calabria"). A less-likely theory (Gamillscheg, etc.) connects it to Old French escarrabin "corpse-bearer during the plague," literally (probably) "carrion beetle," said to have been an epithet for archers from Flanders.
carbo- Look up carbo- at Dictionary.com
before vowels carb-, comb. form meaning "Carbon," abstracted 1810 from carbon.
carbohydrate (n.) Look up carbohydrate at Dictionary.com
1851, from carbo-, comb. form of carbon, + hydrate (n.), denoting compound produced when certain substances combine with water, from Greek hydor "water" (see water (n.1)).
The name carbohydrate was given to these compounds because, in composition, they are apparently hydrates of carbon. In structure, however, they are far more complex. [Flood]
carbolic (adj.) Look up carbolic at Dictionary.com
1836, from carb-, comb. form of carbon + -ol "oil" + -ic.
carbon (n.) Look up carbon at Dictionary.com
non-metallic element, 1789, coined 1787 in French by Lavoisier as charbone, from Latin carbonem (nominative carbo) "a coal, glowing coal; charcoal," from PIE root *ker- (4) "heat, fire, to burn" (cognates: Latin cremare "to burn;" Sanskrit krsna "black, burnt," kudayati "singes;" Lithuanian kuriu "to heat," karštas "hot," krosnis "oven;" Old Church Slavonic kurjo "to smoke," krada "fireplace, hearth;" Russian ceren "brazier;" Old High German harsta "roasting;" Gothic hauri "coal;" Old Norse hyrr "fire;" Old English heorð "hearth").

Carbon 14, long-lived radioactive isotope used in dating organic deposits, is from 1936. Carbon dating (using carbon 14) is recorded from 1958. Carbon cycle is attested from 1912. Carbon footprint was in use by 2001. Carbon paper (soon to be obsolete) is from 1895.
carbon copy (n.) Look up carbon copy at Dictionary.com
1895, from carbon (paper) + copy (n.). A copy on paper made using carbon paper. The figurative sense is from 1944. Also as a verb, "send a carbon copy (of something)," and as such often abbreviated c.c.
carbon dioxide (n.) Look up carbon dioxide at Dictionary.com
1869, so called because it consists of one carbon and two oxygen atoms. The chemical was known since mid-18c. under the name fixed air; later as carbonic acid gas (1791). "The term dioxide for an oxide containing two atoms of oxygen came into use in the middle of the 19th century." [Flood].
carbon monoxide (n.) Look up carbon monoxide at Dictionary.com
1869, so called because it consists of one carbon and one oxygen atom (as opposed to carbon dioxide, which has two of the latter). An older name for it was carbonic oxide gas.
carbonate (n.) Look up carbonate at Dictionary.com
1794, from French carbonate "salt of carbonic acid" (Lavoisier), from Modern Latin carbonatem "a carbonated (substance)," from Latin carbo (see carbon).
carbonate (v.) Look up carbonate at Dictionary.com
1805, "to form into a carbonate," from carbonate (n.) by influence of French carbonater "transform into a carbonate." Meaning "to impregnate with carbonic acid gas (i.e. carbon dioxide)" is from 1850s. Related: Carbonated; carbonating.
carbonated (adj.) Look up carbonated at Dictionary.com
"containing carbon dioxide," 1858, past participle adjective from carbonate (v.).
carbonation (n.) Look up carbonation at Dictionary.com
1881, from carbonic acid, an old name for carbon dioxide (see carbonate (n.)) + -ation.
Carboniferous (adj.) Look up Carboniferous at Dictionary.com
1830 with reference the geological period, from a word formed in English in 1799 to mean "coal-bearing," from Latin carbo (genitive carbonis) "coal" (see carbon) + -ferous "producing, containing, bearing," from ferre "to bear" (see infer). The great coal beds of Europe were laid down during this period. As a stand-alone noun (short for Carboniferous Period) from 1940s.
Carborundum (n.) Look up Carborundum at Dictionary.com
silicon carbide used as an abrasive, (reg. trademark U.S. June 21, 1892, by Carborundum Co. of Monongahela City, Pa.), from carbon + corundum.
carboy (n.) Look up carboy at Dictionary.com
"large globular bottle covered with basketwork," 1753, probably ultimately from Persian qarabah "large flagon."
carbs (n.) Look up carbs at Dictionary.com
see carb.
carbuncle (n.) Look up carbuncle at Dictionary.com
early 13c., "fiery jewel," from Old North French carbuncle (Old French charbocle, charboncle) "carbuncle-stone," also "carbuncle, boil," from Latin carbunculus "red gem," also "red, inflamed spot," literally "a little coal," from carbo (genitive carbonis) "coal" (see carbon). Originally of rubies, garnets, and other red jewels; in English the word was applied to tumors from late 14c.
carbuncular (adj.) Look up carbuncular at Dictionary.com
1737, from Latin carbunculus (see carbuncle) + -ar.
carburetor (n.) Look up carburetor at Dictionary.com
device to enhance a gas flame, 1866, from carburet "compound of carbon and another substance" (1795, now displaced by carbide), also used as a verb, "to combine with carbon" (1802); from carb-, comb. form of carbon, + -uret, an archaic suffix formed from Modern Latin -uretum to parallel French words in -ure. Motor vehicle sense is from 1896.
carcass (n.) Look up carcass at Dictionary.com
late 13c., from Anglo-French carcois, from or influenced by Old French charcois (Modern French carcasse) "trunk of a body, chest, carcass," and Anglo-Latin carcosium "dead body," all of uncertain origin. Not used of humans after c.1750, except contemptuously. Italian carcassa probably is a French loan word.
carceral (adj.) Look up carceral at Dictionary.com
"pertaining to prisons or a prison," 1570s, from Latin carceralis, from carcer "prison, jail; starting place in a race course" (see incarceration).
carcinogen (n.) Look up carcinogen at Dictionary.com
"cancer-causing substance," 1853, from carcinoma + -gen.
carcinogenic (adj.) Look up carcinogenic at Dictionary.com
1926, from carcinogen + -ic.