- Obs. to promise to marry
- to promise in marriage: to betroth a daughter
Origin of betrothMiddle English bitrouthen ; from be-, be- + treuthe, truth
transitive verbbe·trothed, be·troth·ing, be·troths
Origin of betrothMiddle English bitrouthen : bi-, be- + trouth, troth (from Old English trēowth; see deru- in Indo-European roots).
(third-person singular simple present betroths, present participle betrothing, simple past and past participle betrothed)
- To promise to give in marriage.
Middle English bitreuthien, from treuthe (“truth”). See also troth.