procreation (n.)youdaoicibaDictYouDict[procreation 词源字典]
late 14c., "process of begetting offspring," from Old French procreacion (14c., Modern French prócreation) and directly from Latin procreationem (nominative procreatio) "a begetting, generation," noun of action from past participle stem of procreare "bring forth" (offspring), "beget, generate, produce," from pro- "forth" (see pro-) + creare "create" (see create).[procreation etymology, procreation origin, 英语词源]