matrimony (n.)youdaoicibaDictYouDict[matrimony 词源字典]
c. 1300, from Old French matremoine "matrimony, marriage" and directly from Latin matrimonium "wedlock, marriage," from matrem (nominative mater) "mother" (see mother (n.1)) + -monium, suffix signifying "action, state, condition."[matrimony etymology, matrimony origin, 英语词源]