英语词源字典 - 在线词源网站

chianti (n.)[chianti 词源字典]: also chiante, kind of dry red wine, 1833, from Chianti Mountains of Tuscany, where the wine was made. "[L]oosely applied to various inferior Italian wines" [OED].[chianti etymology, chianti origin, 英语词源]
Etruscan (n.): 1706, from Latin Etruscus "an Etruscan," from Etruria, ancient name of Tuscany, of uncertain origin but containing an element that might mean "water" (see Basque) and which could be a reference to the rivers in the region.
Florence: chief city of Tuscany, also a fem. proper name, both from Latin Florentia, fem. of Florentius, literally "blooming," from florens (genitive florentis), present participle of florere "to flower" (see flourish). The city name is from Roman Colonia Florentia, "flowering colony," either literal or figurative, and became Old Italian Fiorenze, modern Italian Firenze.
pistol (n.): "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.