obviate (v.)youdaoicibaDictYouDict[obviate 词源字典]
1590s, "to meet and do away with," from Late Latin obviatus, past participle of obviare "act contrary to, go against," from Latin obvius "that is in the way, that moves against" (see obvious). Related: Obviated; obviating.[obviate etymology, obviate origin, 英语词源]