progeny (n.)youdaoicibaDictYouDict[progeny 词源字典]
early 14c., from Old French progenie (13c.) and directly from Latin progenies "descendants, offspring, lineage, race, family," from stem of progignere "beget," from pro- "forth" (see pro-) + gignere "to produce, beget" (see genus).[progeny etymology, progeny origin, 英语词源]