Word Origin & History
wedO.E. weddian "to pledge, covenant to do something, marry," from P.Gmc. *wadjojanan (cf. O.N. veðja "to bet, wager," O.Fris. weddia "to promise," Goth. ga-wadjon "to betroth"), from PIE base *wadh- "to pledge, to redeem a pledge" (cf. L. vas, gen. vadis "bail, security," Lith. vaduoti "to redeem a
pledge"). Sense remained "pledge" in other Gmc. languages (cf. Ger. Wette "bet, wager"); development to "marry" is unique to Eng.