matrimonial (adj.)youdaoicibaDictYouDict[matrimonial 词源字典]
mid-15c., from Middle French matrimonial (14c.) and directly from Late Latin matrimonialis, from Latin matrimonium (see matrimony). Earlier as a noun meaning "a marriage" (late 15c.). Related: Matrimonially.[matrimonial etymology, matrimonial origin, 英语词源]