英语词汇amphibious的起源、历史背景-英语词源词典

词汇	amphibious
词源	amphibious adj. 1640s, "combining two qualities; having two modes of life," especially "living both on land and in water," from Latinized form of Greek amphibios "having a double life; living on land and in water" (see amphibian (adj.)). Of motor vehicles, from 1915. Entries linking to amphibious amphibian adj. 1630s, "having two modes of existence; of doubtful nature," from Greek amphibia, neuter plural of amphibios "living a double life," from amphi "of both kinds" (see amphi-) + bios "life" (from PIE root *gwei- "to live"). Formerly used by zoologists to describe any sort of animal at home on land and in the water, including crocodiles, walruses, beavers, seals, hippopotamuses; the restriction to the of animals between fishes and reptiles with life cycles that begin in water and mature on land is from 1835. amtrac n. amphibious assault vehicle, 1944, contraction of amphibious tractor (n.). updated on January 02, 2017
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amphibious adj.