英语词源字典 - 在线词源网站

bas-relief (n.): 1660s, from French bas-relief, a loan-translation of Italian basso-rilievo "low relief, raised work."
canvas-back (n.): also canvasback, 1785 as a type of North American duck. Earlier as an adjective for a type of garment made of expensive stuff in front and cheap canvas in the back (c. 1600); from canvas (n.) + back (n.).
gas-guzzler (n.): car with low fuel-efficiency, 1973, American English, from gas (short for gasoline) + guzzler.
gas-house (n.): also gashouse, 1880 as a power-generating station, from gas (n.1) + house (n.). By 1926, emblematic of a run-down district of a U.S. city, a typical abode of criminals and gangsters.
gas-light (n.): 1808, from (illuminating) gas (n.1) + light (n.).
gas-mask (n.): 1915, from (poison) gas (n.1) + mask (n.).
has-been (n.): "one who has outlived his fame," c. 1600 (as hes-beene), from the verbal phrase; see has + been.
gas-proof (1): "Impermeable to (especially poisonous) gas; gas-tight", Mid 19th cent.; earliest use found in Boston Daily Atlas. From gas + proof.
gas-proof (2): "To make (an enclosure, material, etc.) gas-proof", Mid 19th cent. From gas-proof.