spousal (adj.)youdaoicibaDictYouDict[spousal 词源字典]
1510s, "pertaining to marriage," from spouse (n.) + -al (1).[spousal etymology, spousal origin, 英语词源]
spousal (n.)youdaoicibaDictYouDict
c. 1300, "a wedding ceremony, action of marrying; wedlock, condition of being espoused," from Anglo-French spousaille, Old French esposaille (see espousal). Earlier was spousage "marriage, wedlock" (mid-14c.).