英语词源字典 - 在线词源网站

juvenility (n.)[juvenility 词源字典]: 1620s, from Latin iuvenilitas "youth," from iuvenilis (see juvenile).[juvenility etymology, juvenility origin, 英语词源]
Juventus: Roman god of youth, personification of iuventas "youth," from iuvenis "a young person" (see young).
juxtapose (v.): 1851, from French juxtaposer (1835), from Latin iuxta (see juxtaposition) + French poser (see pose (v.1)). Related: Juxtaposed; juxtaposing.
juxtaposition (n.): 1660s, from French juxtaposition (1660s), from Latin iuxta "beside, near" + French position (see position (n.)). Latin iuxta is a contraction of *iugista (adv.), superlative of adjective *iugos "closely connected," from stem of iugum "yoke," from iungere "to join" (see jugular).
jynx (n.): "wryneck," 1640s, from Modern Latin jynx (plural jynges), from Latin iynx (see jinx).
Jack the Lad: "A brash, cocky young man", Nickname of Jack Sheppard, an 18th-century thief.
jackaroo: "A young man working on a sheep or cattle station to gain experience", Late 19th century: perhaps a blend of jack¹ and kangaroo.
jackfruit: "A fast-growing tropical Asian tree related to the breadfruit", Late 16th century: from Portuguese jaca (from Malayalam chakka) + fruit.
jaywalk: "Cross or walk in the street or road unlawfully or without regard for approaching traffic", Early 20th century: from jay in the colloquial sense 'silly person' + walk. More The ‘jay’ in the word is the same as the bird, which has been used colloquially to mean ‘silly person’.
Jolly Roger: "A pirate’s flag with a white skull and crossbones on a black background", Early 18th century: apparently from jolly¹ + the male given name Roger, possibly in the old dialect sense 'the Devil'.
J-cloth: "A type of cloth used for household cleaning", 1970s: J from Johnson and Johnson, the original makers.
Jane Doe: "An anonymous female party, typically the plaintiff, in a legal action", Mid 19th century: the female equivalent of John Doe.
jock itch: "A fungal infection of the groin area", 1970s: jock from jockstrap.
jessie: "An effeminate, weak, or oversensitive man", 1920s: from the female given name Jessie.
jawan: "A male police constable or soldier", From Urdu jawān 'young man', from Persian; ultimately related to young.
jetfoil: "A type of passenger-carrying hydrofoil", 1970s: blend of jet¹ and hydrofoil.
jetliner: "A large jet aircraft carrying passengers", 1940s: blend of jet¹ and airliner.
jerrycan: "A large flat-sided metal container for storing or transporting liquids, typically petrol or water", Second World War: from Jerry + can², because such containers were first used in Germany.
Jerusalem artichoke: "A knobbly edible tuber with white flesh, eaten as a vegetable", Early 17th century: Jerusalem, alteration of Italian girasole 'sunflower'.
jollof rice: "A West African stew made with rice, chilli peppers, and meat or fish", Jollof, variant of Wolof.