Unanswered
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 19:40的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/unanswered ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] unansu…”的新页面)
wiktionary
From Middle English unansuered, unanswerd, equivalent to un- + answered.
etymonline
unanswered (adj.)
late 14c., from un- (1) "not" + past participle of answer (v.).