betrothyoudaoicibaDictYouDict[betroth 词源字典]
betroth: see true
[betroth etymology, betroth origin, 英语词源]
betroth (v.)youdaoicibaDictYouDict
c. 1300, betrouthen, from bi-, here probably with a sense of "thoroughly," + Middle English treowðe "truth," from Old English treowðe "truth, a pledge" (see troth). Related: Betrothed; betrothing.