pirouette (n.) Look up pirouette at Dictionary.com
1706, from French pirouette "spinning top; pirouette in dancing," from Middle French pirouet "spinning top" (15c.), from Gallo-Roman root *pir- "peg, plug" (source of Italian piruolo "peg top") + diminutive suffix -ette.
pirouette (v.) Look up pirouette at Dictionary.com
1822, from pirouette (n.) and also from French pirouetter. Related: Pirouetted; pirouetting.
pis aller (n.) Look up pis aller at Dictionary.com
"last resource, what one would do at the worst," 1670s, French, literally "to go worse," from pis "worse," from Latin peius, neuter of peior "worse" (see pejorative) + aller "to go."
Pisa Look up Pisa at Dictionary.com
Italian city, from Etruscan, of uncertain meaning. Related: Pisan.
piscatology (n.) Look up piscatology at Dictionary.com
1867, a hybrid from Latin piscatus, past participle of piscari "to fish," from pisces "a fish" (see fish (n.)) + -ology.
piscatorial (adj.) Look up piscatorial at Dictionary.com
1750, from piscatory + -ial.
piscatory (adj.) Look up piscatory at Dictionary.com
1630s, from Latin piscatorius "of fishermen," from piscator "fisherman," from piscari "to fish," from pisces "a fish" (see fish (n.)).
Pisces (n.) Look up Pisces at Dictionary.com
12th sign of the zodiac, late Old English, from Latin pisces, from plural of piscis "a fish," cognate with Gothic fisks, Old English fisc (see fish (n.)). Applied to persons born under this sign from 1924.
piscine (n.) Look up piscine at Dictionary.com
c. 1300, "reservoir, bathing pool," from Old French piscine "fishpond," from Latin piscina, from piscis "a fish" (see fish (n.)). Ecclesiastical sense is from late 15c., from Medieval Latin piscina. As an adjective from 1799.
piscivorous (adj.) Look up piscivorous at Dictionary.com
1660s, from Latin piscis "fish" (see fish (n.)) + -vorous.
Pisgah Look up Pisgah at Dictionary.com
1640s, name of the mountain east of the River Jordan, whence Moses was allowed to view the Promised Land he could not enter (Deut. iii:27); with figurative extension. From Hebrew, literally "cleft."
pish Look up pish at Dictionary.com
exclamation of contempt, attested from 1590s.
pismire (n.) Look up pismire at Dictionary.com
"ant," late 14c. (early 14c. as a surname), from pyss "urine" (said to be in reference to the acrid smell of an anthill) + mire "an ant," probably from Old Norse maurr "ant" (cognates: Swedish myra, Danish myre, Middle Dutch miere, Dutch mier, Crimean Gothic miera "ant"), from PIE base *morwi- (see Formica (2)). Compare pissant, also early Dutch mierseycke (from seycke "urine"), Finnish kusiainen (from kusi "urine").
He is as angry as a pissemyre,
Though þat he haue al that he kan desire.
Applied contemptuously to persons from 1560s.
piss (v.) Look up piss at Dictionary.com
late 13c., from Old French pissier "urinate" (12c.), from Vulgar Latin *pissiare, of imitative origin. To piss away (money, etc.) is from 1948. Related: Pissed; pissing. Pissing while (1550s) once meant "a short time."
He shall not piss my money against the wall; he shall not have my money to spend in liquor. [Grose, "Classical Dictionary of the Vulgar Tongue," 3rd edition, 1796]
piss (n.) Look up piss at Dictionary.com
late 14c., from piss (v.). As a pure intensifier (piss-poor, piss-ugly, etc.) it dates from World War II. Piss and vinegar first attested 1942. Piss-prophet "one who diagnosed diseases by inspection of urine" is attested from 1620s. Piss proud "erect upon awakening" is attested from 1796.
piss off (v.) Look up piss off at Dictionary.com
(intransitive) "go away," 1958, chiefly British; (transitive) "annoy," 1968, chiefly U.S.; from piss (v.) + off. Pissed off "angry, fed up" is attested by 1946 (Partridge says 1937); said to have been used in the military in World War II; in common use from 1970s.
piss-pot (n.) Look up piss-pot at Dictionary.com
mid-15c., from piss + pot (n.1).
pissant (n.) Look up pissant at Dictionary.com
1660s, "an ant," from first element of pismire (q.v.) + ant. Meaning "contemptible, insignificant person" is from 1903.
"[B]y sun-down [the gals] come pourin out of the woods like pissants out of an old log when tother end's afire." ["Dick Harlan's Tennessee Frolic," in collection "A Quarter Race in Kentucky," Philadelphia, 1846]
pissed (adj.) Look up pissed at Dictionary.com
1929, "drunk," past participle adjective from piss (v.). From 1946 as "angry," from piss off.
pissy (adj.) Look up pissy at Dictionary.com
1926, from piss + -y (2). Figurative use by 1972.
pistachio (n.) Look up pistachio at Dictionary.com
1590s, from Italian pistacchio, from Latin pistacium "pistachio nut," from Greek pistakion "pistachio nut," from pistake "pistachio tree," from Persian pistah "pistachio." Borrowed earlier (1530s) as pystace, from Old French form pistace (13c.), which also is from the Italian word.
piste (n.) Look up piste at Dictionary.com
also pist, 1727, from French piste, from Latin pista (via) "beaten (track)," from pistus, past participle of pinsere "to pound, stamp" (see pestle).
pistil (n.) Look up pistil at Dictionary.com
"female organ of a flower," 1718, from French pistil, from Modern Latin pistillum "a pistil," so called from resemblance to a pestle, from Latin pistillum "pestle" (see pestle). Related: Pistillary; pistillaceous; pistillate; pistilline.
pistle (n.) Look up pistle at Dictionary.com
"letter," Old English pistol, a shortening of epistol, from Latin epistola (see epistle).
pistol (n.) Look up pistol at Dictionary.com
"small hand-held firearm," 1570s, from Middle French pistole "short firearm" (1566), of uncertain origin, sometimes said to be from German Pistole, from Czech pis'tala "firearm," literally "tube, pipe," from pisteti "to whistle," of imitative origin, related to Russian pischal "shepherd's pipe."

But earlier English form pistolet (1550) is said to be from Middle French pistolet "a small firearm," also "a small dagger," which may be the literal sense; though some connect this word with Italian pistolese, in reference to Pistoia, town in Tuscany noted for gunsmithing. Pistol-whip (v.) is first recorded 1942.
pistole (n.) Look up pistole at Dictionary.com
former Spanish coin (not called that in Spanish), 1590s, from French pistole, from Italian piastola, diminutive of piastra "plate or leaf of metal" (see piaster). Compare earlier pistolet (1550s) "foreign coin," which OED says is from French pistolet "short firearm" (see pistol) and so called for being smaller and thinner than other coins.
pistolero (n.) Look up pistolero at Dictionary.com
1937, from Spanish; see pistolier.
pistolier (n.) Look up pistolier at Dictionary.com
also pistoleer, 1570s from obsolete French pistolier, from pistole (see pistol).
piston (n.) Look up piston at Dictionary.com
1704, from French piston, from Middle French piston "large pestle," from Old Italian pistone "a piston," variant of pestone "a pestle," from pestare "to pound," from Late Latin pistare, frequentative of Latin pinsere (past participle pistus) "to pound" (see pestle). As a verb from 1930.
pit (n.1) Look up pit at Dictionary.com
"hole, cavity," Old English pytt "water hole, well; pit, grave," from Proto-Germanic *puttjaz "pool, puddle" (cognates: Old Frisian pet, Old Saxon putti, Old Norse pyttr, Middle Dutch putte, Dutch put, Old High German pfuzza, German Pfütze "pool, puddle"), early borrowing from Latin puteus "well, pit, shaft." Meaning "abode of evil spirits, hell" is attested from early 13c. Pit of the stomach (1650s) is from the slight depression there between the ribs.
pit (v.) Look up pit at Dictionary.com
mid-15c., "to put into a pit," from pit (n.1); especially for purposes of fighting (of cocks, dogs, pugilists) from 1760. Figurative sense of "to set in rivalry" is from 1754. Meaning "to make pits in" is from late 15c. Related: Pitted; pitting. Compare Pit-bull as a dog breed attested from 1922, short for pit-bull terrier (by 1912). This also is the notion behind the meaning "the part of a theater on the floor of the house" (1640s).
pit (n.2) Look up pit at Dictionary.com
"hard seed," 1841, from Dutch pit "kernel, seed, marrow," from Middle Dutch pitte, ultimately from West Germanic *pithan-, source of pith (q.v.).
pit-a-pat (adv.) Look up pit-a-pat at Dictionary.com
also pitter-pat, 1520s; imitative. As a noun from 1580s.
pita (n.) Look up pita at Dictionary.com
"thick, flat bread," 1951, from Modern Hebrew pita or Modern Greek petta "bread," perhaps from Greek peptos "cooked," or somehow connected to pizza (q.v.).
pitch (n.2) Look up pitch at Dictionary.com
"resinous substance, wood tar," late 12c., pich, from Old English pic "pitch," from a Germanic borrowing (Old Saxon and Old Frisian pik, Middle Dutch pik, Dutch pek, Old High German pek, German Pech, Old Norse bik) of Latin pix (genitive picis) "pitch," which according to Watkins is from a PIE root *pik- "pitch" (cognates: Greek pissa, Lithuanian pikis, Old Church Slavonic piklu "pitch"), but according to Pokorny this is from the same PIE root as pine (n.). The English word was applied to pine resins from late 14c. Pitch-black is attested from 1590s; pitch-dark from 1680s.
pitch (v.1) Look up pitch at Dictionary.com
c. 1200, "to thrust in, fasten, settle," probably from an unrecorded Old English *piccean, related to prick (v.). The original past tense was pight. Sense of "set upright," as in pitch a tent (late 13c.), is from notion of "driving in" the pegs. Meaning "incline forward and downward" is from 1510s. Meaning "throw (a ball)" evolved late 14c. from that of "hit the mark." Musical sense is from 1670s. Of ships, "to plunge" in the waves, 1620s. To pitch in "work vigorously" is from 1847, perhaps from farm labor. Related: Pitched; pitching.
pitch (n.1) Look up pitch at Dictionary.com
1520s, "something that is pitched," from pitch (v.1). Meaning "act of throwing" is attested from 1833. Meaning "act of plunging headfirst" is from 1762; sense of "slope, degree, inclination" is from 1540s; musical sense is from 1590s; but the connection of these is obscure. Sales pitch in the modern commercial advertising sense is from 1943, American English, perhaps from the baseball sense.
pitch (v.2) Look up pitch at Dictionary.com
"to cover with pitch," Old English pician, from the source of pitch (n.2).
pitch-pipe (n.) Look up pitch-pipe at Dictionary.com
1711, from pitch (n.) in the musical sense + pipe (n.1).
pitchblende (n.) Look up pitchblende at Dictionary.com
also pitch-blende, 1770, a loan-translation of German Pechblende; see pitch (n.2) + blende.
pitcher (n.1) Look up pitcher at Dictionary.com
"earthen jug," c. 1200, from Old French pichier (12c.), altered from bichier, from Medieval Latin bicarium, probably from Greek bikos "earthen vessel" (see beaker). Pitcher-plant is recorded from 1819; so called for its resemblance.
pitcher (n.2) Look up pitcher at Dictionary.com
"one who pitches," 1722, agent noun from pitch (v.1). Originally of one tossing hay into a wagon, etc.; baseball sense first recorded 1845.
pitchfork (n.) Look up pitchfork at Dictionary.com
mid-14c., altered (by influence of pichen "to throw, thrust;" see pitch (v.1)) from Middle English pic-forken (c. 1200), from pik (see pike (n.4)) + fork (n.). The verb is attested from 1837.
pitchman (n.) Look up pitchman at Dictionary.com
1926, American English, from pitch (n.1) in the sales sense + man (n.).
piteous (adj.) Look up piteous at Dictionary.com
c. 1300, from Anglo-French pitous, Old French pitos "pious; merciful, compassionate, moved to pity; pitiful" (12c., Modern French piteux), from Medieval Latin pietosus "merciful, pitiful," in Vulgar Latin "dutiful," from Latin pietas "dutiful conduct, compassion" (see piety). Related: Piteously; piteousness.
pitfall (n.) Look up pitfall at Dictionary.com
c. 1300, "concealed hole," a type of animal trap, from pit (n.1) + fall (n.). Extended sense of "any hidden danger" is first recorded early 15c.
pith (n.) Look up pith at Dictionary.com
Old English piþa "pith of plants," also "essential part," from West Germanic *pithan- (cognates: Middle Dutch pitte, Dutch pit, East Frisian pit), a Low German root of uncertain origin. Figurative sense was in Old English. Pith helmet (1889, earlier pith hat, 1884) so called because it is made from the dried pith of the Bengal spongewood.
pith (v.) Look up pith at Dictionary.com
"to kill by piercing the spinal cord," 1805, from pith (n.). Related: Pithed; pithing.
pithecanthropus (n.) Look up pithecanthropus at Dictionary.com
genus of extinct primates, 1895, from Modern Latin, literally "monkey-man," from Greek pithekos "ape" + anthropos "man" (see anthropo-). Coined 1868 by Haeckel as a name for a hypothetical link between apes and men (attested in English in this sense from 1876); applied by Dr. Eugène Dubois (1858-1940), physician of the Dutch army in Java, to remains he found there in 1891.
pitheco- Look up pitheco- at Dictionary.com
before vowels pithec-, word-forming element meaning "pertaining to an ape or monkey," from Greek pithekos "ape."