virility (n.)youdaoicibaDictYouDict[virility 词源字典]
"period of manhood," 1580s, from Middle French virilité, from Latin virilitatem (nominative virilitas) "manhood," from virilis (see virile). Meaning "power of procreation, capacity for sexua intercourse" is from 1590s; sense of "manly strength" is recorded from c. 1600.[virility etymology, virility origin, 英语词源]