abortifacient (n.)youdaoicibaDictYouDict[abortifacient 词源字典]
1875, noun and adjective, from Latin abortus (see abortive) + facientem "making," related to facere "to make, do" (see factitious). An earlier word for this in the noun sense was abortive (1640s).[abortifacient etymology, abortifacient origin, 英语词源]