Confirmed
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 11:58的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=confirmed+etymology&newwindow=1&hl=en ref] Middle English: from Old French confermer, fro…”的新页面）
Middle English: from Old French confermer, from Latin confirmare, from con- ‘together’ + firmare ‘strengthen’ (from firmus ‘firm’).
etymonline
confirmed (adj.)
late 14c., of diseases, "firmly established," past-participle adjective from confirm. From mid-15c. as "supported by authority or proof." Of persons, "established in the habit, inveterate," from 1826.
