英语词汇celerity的起源、历史背景-英语词源词典

词汇	celerity
词源	celerity n. "swiftness, rapidity of motion," late 15c., from Old French celeritee (14c., Modern French célérité), from Latin celeritatem (nominative celeritas) "swiftness," from celer "swift," from PIE keli- "speeding" (source also of Sanskrit carati "goes," Greek keles "fast horse or ship," Lithuanian šuoliai "a gallop," Old High German scelo "stallion"). Entries linking to celerity* accelerate v. 1520s, "hasten the occurrence of;" 1590s, "make quicker" (implied in accelerating), from Latin acceleratus, past participle of accelerare "to hasten, quicken" (trans.), "make haste" (intrans.), from ad "to" (see ad-) + celerare "hasten," from celer "swift," which is perhaps from PIE keli- "speeding" (see celerity). The intransitive sense of "go faster, become faster" in English is from 1640s. Related: Accelerated; accelerative. acceleration n. "act or condition of going faster," 1530s, from Latin accelerationem (nominative acceleratio) "a hastening," noun of action from past-participle stem of accelerare "to hasten, quicken," from ad "to" (see ad-) + celerare "hasten," from celer "swift," which is perhaps from PIE keli- "speeding" (see celerity). updated on June 01, 2018
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celerity n.