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bromide [bromide 词源字典]: bromide: [19] Potassium bromide is used as a sedative, and it was that which inspired the American humorist Gelett Burgess’s book Are You A Bromide? (1906), in which he metaphoricized bromide as a ‘dull conventional person’. In British English it is the more abstract figurative sense ‘trite or conventional remark’ that has caught on. Bromide was based on bromine [19], the name of a liquid element, which in turn was formed from French brome. The element was so christened, from Greek brōmos ‘stench’, because of its highly irritant and unpleasant smell.
[bromide etymology, bromide origin, 英语词源]
bromine (n.): nonmetallic element, 1827, from French brome, from Greek bromos "stench." With chemical suffix -ine (2). The evil-smelling dark red liquid was discovered by French chemist Antoine Jérôme Balard (1802-1876), who initially called it muride.
brome: "An oat-like grass which is sometimes grown for fodder or ornamental purposes", Mid 18th century: from modern Latin Bromus, from Greek bromos 'oat'.