vitiate (v.)youdaoicibaDictYouDict[vitiate 词源字典]
1530s, from Latin vitiatus, past participle of vitiare "to make faulty, injure, spoil, corrupt," from vitium "fault, defect, blemish, crime, vice" (see vice (n.1)). Related: Vitiated; vitiating.[vitiate etymology, vitiate origin, 英语词源]