英语词汇informative的起源、历史背景-英语词源词典

词汇	informative
词源	informative adj. 1650s, "instructive, didactic," from Medieval Latin informativus, from Latin informatus, past participle of informare "to train, instruct, educate" (see inform). In Middle English, the same word meant "formative, shaping, plastic, having power to form or animate" (late 14c.). Related: Informatively. Entries linking to informative inform v. early 14c., "to train or instruct in some specific subject," from Old French informer, enformer "instruct, teach" (13c.) and directly from Latin informare "to shape, give form to, delineate," figuratively "train, instruct, educate," from in- "into" (from PIE root *en "in") + formare "to form, shape," from forma "form" (see form (n.)). In early use also enform until c. 1600. Sense of "report facts or news, communicate information to" first recorded late 14c. Related: Informed; informing. updated on November 23, 2015
随便看	saturnine satyagraha satyr satyriasis satyric sauce saucebox saucepan saucer saucily sauciness saucy saudi sauerkraut sauk saul sault sauna saunter saurian -saurus sausage saute sauterne savable

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。

informative adj.