celibacy (n.)youdaoicibaDictYouDict[celibacy 词源字典]
1660s, formed in English, with -cy + Latin caelibatus "state of being unmarried," from caelebs "unmarried," probably from PIE root *kaiwelo- "alone" + lib(h)s- "living."[celibacy etymology, celibacy origin, 英语词源]