英语词汇pleistocene的起源、历史背景-英语词源词典

词汇	pleistocene
词源	Pleistocene adj. a name given by geologists to the lower division of the Quaternary, now reckoned as from about 2.6 million years ago and essentially "pertaining to the glacial period," 1839, coined by Lyell from Greek pleistos "most" (superlative of polys "much;" see pleio-) + -cene "recent." Entries linking to pleistocene pleio- also pleo-, word-forming element meaning "more," from Greek pleiōn "larger, greater in quantity, the more part, very many" (comparative of polys "much"), from PIE ple- (source also of Latin plere "to fill," plebes, "the populace, the common people;" Greek plēthein "be full," plērēs "full"), possibly a variant of root pele- (1) "to fill." -cene word-forming element in geology to indicate more recent periods, introduced by Sir Charles Lyell (1797-1875), from Latinized form of Greek kainos "new," cognate with Latin recens (see recent). Also see Cenozoic. pleio--cene*pele- (1)Pliocene (adj.) updated on July 15, 2020
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Pleistocene adj.