Warn
来自Big Physics
Safin（讨论 | 贡献）2022年4月26日 (二) 23:48的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=warn+etymology&newwindow=1&hl=en ref] Old English war(e)nian, wearnian, from a West Germa…”的新页面）
Old English war(e)nian, wearnian, from a West Germanic base meaning ‘be cautious’; compare with ware2.
wiktionary
From Middle English warnen, warnien(“to warn; admonish”), from Old English warnian(“to take heed; warn”), from Proto-Germanic *warnōną(“to warn; take heed”), from Proto-Indo-European *wer-(“to be aware; give heed”). Cognate with Dutch waarnen(obsolete), German Low German warnen, German warnen, Swedish varna, Icelandic varna.
etymonline
warn (v.)
Old English warnian "to give notice of impending danger," also intransitive, "to take heed," from Proto-Germanic *warōnan (source also of Old Norse varna "to admonish," Old High German warnon "to take heed," German warnen "to warn"), from PIE root *wer- (4) "to cover." Related: Warned; warning.
