annihilation (n.)youdaoicibaDictYouDict[annihilation 词源字典]
1630s, from Middle French annihilation (restored from Old French anichilacion, 14c.), or directly from Late Latin annihilationem (nominative annihilatio), noun of action from past participle stem of annihilare (see annihilate).[annihilation etymology, annihilation origin, 英语词源]