英语词汇latency的起源、历史背景-英语词源词典

词汇	latency
词源	latency n. 1630s, "condition of being concealed, unobserved existence," from latent + abstract noun suffix -cy. Meaning "delay between stimulus and response" is from 1882 (perhaps via the notion of "dormancy"); computer sense (latency time) is from 1954. Entries linking to latency latent adj. mid-15c., "concealed, secret," from Latin latentem (nominative latens) "lying hid, concealed, secret, unknown," present participle of latere "lie hidden, lurk, be concealed," from PIE late-, suffixed form of root lādh- "to be hidden" (source also of Greek lēthē "forgetfulness, oblivion," lēthargos "forgetful," lathre "secretly, by stealth," lathrios "stealthy," lanthanein "to be hidden;" Old Church Slavonic lajati "to lie in wait for"). Meaning "dormant, undeveloped" is from 1680s, originally in medicine. -cy abstract noun suffix of quality or rank, from Latin -cia, -tia, from Greek -kia, -tia, from abstract ending -ia (see -ia) + stem ending -c- or -t-. The native correspondents are -ship, -hood. updated on September 25, 2017
随便看	fraught fraulein fray frayed frazzle freak freakish freak-out freaky freckle freddie mac frederick free freebase freebie freebooter free-born freedman freedom free-fall free-for-all free-hand free-handed freehold freeholder

英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。

latency n.