antedate (v.)youdaoicibaDictYouDict[antedate 词源字典]
1580s, earlier as noun meaning "a backdating, false early date attached to a document or event" (1570s); from Latin ante "before" (see ante) + date (v.1). Related: Antedated; antedating.[antedate etymology, antedate origin, 英语词源]