英语词源字典 - 在线词源网站

cojones (n.)[cojones 词源字典]: "courage," literally "balls," 1932, from Spanish cojon "testicle," from Latin coleus, culleus (source of Italian coglione), literally "a leather sack," related to Greek koleos "sheath, scabbard (see cell). In English, first attested in Hemingway.[cojones etymology, cojones origin, 英语词源]
Davy Jones: "the spirit of the sea," 1751, first mentioned in Smollett's "The Adventures of Peregrin Pickle" (chapter 15) as an ominous and terrifying fiend who "presides over all the evil spirits of the deep, and is often seen in various shapes, perching among the rigging on the eve of hurricanes, shipwrecks and other disasters." Davy Jones's Locker "bottom of the sea," is 1803, from nautical slang, of unknown origin; second element may be from biblical Jonah, regarded as unlucky by sailors.
Dow Jones: short for Dow Jones Industrial Average, first published 1884 by Charles Henry Dow (1851-1902) and Edward D. Jones (1856-1920), later publishers of "The Wall Street Journal."
Jones: surname, literally "John's (child);" see John. Phrase keep up with the Joneses (1913, American English) is from the title of a comic strip by Arthur R. Momand. The slang sense "intense desire, addiction" (1968) probably arose from earlier use of Jones as a synonym for "heroin," presumably from the proper name, but the connection, if any, is obscure. Related: Jonesing.
Joneses: "A person’s neighbours or social equals", Late 19th century: from Jones, a commonly found British surname.