Flunk
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 23:16的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=flunk+etymology&newwindow=1&hl=en ref] early 19th century (in the general sense ‘back d…”的新页面）
early 19th century (in the general sense ‘back down, fail utterly’; originally US): perhaps related to funk1 or to US flink ‘be a coward’, perhaps a variant of flinch.
wiktionary
Alteration of funk, or perhaps a blend of flinch + funk.
etymonline
flunk (v.)
1823, American English college slang, original meaning "to back out, give up, fail," of obscure origin, traditionally said to be an alteration of British university slang funk "to be frightened, shrink from" (see funk (n.1)). Meaning "cause to fail, give a failing mark to" is from 1843. Related: Flunked; flunking.
