Confirmed
来自Big Physics
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.
