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pogo stick (n.)[pogo stick 词源字典]: 1921; see pogo.[pogo stick etymology, pogo stick origin, 英语词源]
pogon-: word-forming element from comb. form of Greek pogon "the beard." Used in Pogonophile; pogonophobia.
pogrom (n.): 1882, from Yiddish pogrom, from Russian pogromu "devastation, destruction," from po- "by, through, behind, after" (cognate with Latin post-; see post-) + gromu "thunder, roar," from PIE imitative root *ghrem- (see grim).
poh: contemptuous exclamation, attested from 1670s.
poi (n.): 1823, from Hawaiian poi "food made from taro root."
poignance (n.): 1769; see poignant + -ance.
poignancy (n.): 1680s, "sharpness, keenness," from poignant + -cy.
poignant (adj.): late 14c., "painful to physical or mental feeling" (of sauce, spice, wine as well as things that affect the feelings), from Old French poignant "sharp, pointed" (13c.), present participle of poindre "to prick, sting," from Latin pungere "to prick" (see pungent). Related: Poignantly.

The word disguises a linguistics trick-play, a double reverse. Latin pungere is from the same root as Latin pugnus "fist," and represents a metathesis of -n- and -g- that later was reversed in French.
poilu (n.): French private soldier, 1914, from French poilu, literally "hairy," from poil "hair," not of the head, but of beards, animal coats, etc., from Latin pilus (see pile (n.3)). In 19c. French the adjective had a secondary sense of "strong, brave, courageous" (Balzac).
poindexter (n.): "nerdy intellectual," by 1986, U.S. teenager slang, from the character Poindexter, introduced 1959 in the made-for-TV cartoon version of "Felix the Cat."
poinsettia (n.): from the genus name (1836), Modern Latin, in recognition of Joel R. Poinsett (1779-1851), U.S. ambassador to Mexico, who is said to have brought the plant to the attention of botanists, + abstract noun ending -ia.
point (n.): c. 1200, "minute amount, single item in a whole; sharp end of a sword, etc.," a merger of two words, both ultimately from Latin pungere "prick, pierce, puncture" (see pungent). The Latin neuter past participle punctum was used as a noun, meaning "small hole made by pricking," subsequently extended to anything that looked like one, hence, "dot, particle," etc. This yielded Old French point "dot; smallest amount," which was borrowed in Middle English by c. 1300.

Meanwhile the Latin fem. past participle of pungere was puncta, which was used in Medieval Latin to mean "sharp tip," and became Old French pointe "point of a weapon, vanguard of an army," which also passed into English, early 14c.

The senses have merged in English, but remain distinct in French. Extended senses are from the notion of "minute, single, or separate items in an extended whole." Meaning "small mark, dot" in English is mid-14c. Meaning "distinguishing feature" is recorded from late 15c. Meaning "a unit of score in a game" is first recorded 1746. As a typeface unit (in Britain and U.S., one twelfth of a pica), it went into use in U.S. 1883. As a measure of weight for precious stones (one one-hundredth of a carat) it is recorded from 1931.

The point "the matter being discussed" is attested from late 14c.; meaning "sense, purpose, advantage" (usually in the negative, as in what's the point?) is first recorded 1903. Point of honor (1610s) translates French point d'honneur. Point of no return (1941) is originally aviators' term for the point in a flight "before which any engine failure requires an immediate turn around and return to the point of departure, and beyond which such return is no longer practical."
point (v.): late 14c., "indicate with the finger;" c. 1400, "wound by stabbing; make pauses in reading a text; seal or fill openings or joints or between tiles," partly from Old French pointoier "to prick, stab, jab, mark," and also from point (n.).

Mid-15c. as "to stitch, mend." From late 15c. as "stitch, mend;" also "furnish (a garment) with tags or laces for fastening;" from late 15c. as "aim (something)." Related: Pointed; pointing. To point up "emphasize" is from 1934; to point out is from 1570s.
point man (n.): "one who leads a military patrol in formation in a jungle, etc.," 1944, from point (n.) in military sense of "small leading party of an advance guard" (1580s) + man (n.).
point of view (n.): "position from which a thing is viewed," 1727, translating French point de vue, a loan-translation of Latin punctum visus. Figurative use is from 1760. The Latin phrase was translated into German as Gesichtspunkt.
point-blank (n.): 1570s, said to be from point (v.) + blank (n.), here meaning the white center of a target. The notion would be of standing close enough to aim (point) at the blank without allowance for curve, windage, or gravity. But early references make no mention of a white target, and the phrase is possibly from a simplification of the French phrase de pointe en blanc, used in French gunnery in reference to firing a piece on the level into open space to test how far it will carry. In that case the blank represents "empty space" or perhaps the "zero point" of elevation. The whole phrase might be a French loan-translation from Italian. From 1590s as an adjective in English.
pointe (n.): in dance, 1830, from French pointe (see point (n.)).
pointed (adj.): c. 1300, "having a sharp end or ends," from point (n.). Meaning "having the quality of penetrating the feelings or mind" is from 1660s. Related: Pointedly; pointedness.
pointer (n.): mid-14c., "a tiler" (early 13c. as a surname), agent noun from point (v.). From c. 1500 as "maker of needlepoint lace." From 1570s as "thing that points;" meaning "dog that stands rigid in the presence of game, facing the quarry" is recorded from 1717. Meaning "item of advice" first recorded 1883.
pointillism (n.): 1901, from French pointillisme, from pointiller "to cover with pointilles," small dots, plural diminutive of point (see point (n.)). Pointillist is attested from 1891, from French pointilliste.