adulteration (n.)youdaoicibaDictYouDict[adulteration 词源字典]
c. 1500, from Latin adulterationem (nominative adulteratio), noun of action from past participle stem of adulterare "corrupt, falsify; debauch; commit adultery," from ad- "to" (see ad-) + alterare "to alter" (see alter).[adulteration etymology, adulteration origin, 英语词源]