spouseyoudaoicibaDictYouDict[spouse 词源字典]
spouse: [12] A spouse is etymologically someone who has made a ‘promise’ to another – in this case, of marriage. The word comes via Old French spous, spouse from Latin spōnsus ‘bridegroom’ and spōnsa ‘bride’, noun uses of the past participle of spondēre ‘promise solemnly, betroth’ (source of English despondent and sponsor).
=> sponsor[spouse etymology, spouse origin, 英语词源]
spouse (n.)youdaoicibaDictYouDict
c. 1200, "a married person, either one of a married pair, but especially a married woman in relation to her husband," also "Christ or God as the spiritual husband of the soul, the church, etc.," also "marriage, the wedded state," from Old French spous (fem. spouse) "marriage partner," variant of espous/espouse (Modern French épous/épouse), from Latin sponsus "bridegroom" (fem. sponsa "bride"), literally "betrothed," from masc. and fem. past participle of spondere "to bind oneself, promise solemnly," from PIE *spend- "to make an offering, perform a rite" (see spondee). Spouse-breach (early 13c.) was an old name for "adultery."