- attest (v.)[attest 词源字典]
- 1590s, from Middle French attester (Old French atester, 13c.) "affirm, attest," from Latin attestari "confirm," literally "bear witness to," from ad- "to" (see ad-) + testari "bear witness," from testis "witness" (see testament). Related: Attested; attesting.[attest etymology, attest origin, 英语词源]