Unacceptable
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 12:47的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/unacceptable ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] unac…”的新页面)
wiktionary
From Middle English unacceptabylle, equivalent to un- + acceptable.
etymonline
unacceptable (adj.)
late 15c., from un- (1) "not" + acceptable. Related: Unacceptably.