Main Entry: ¹troth

Pronunciation: \ˈträth, ˈtrȯth, ˈtrōth, or with th\

Function: noun

Etymology: Middle English trouth, from Old English trēowth — more at truth

Date: 12th century

1 : loyal or pledged faithfulness : fidelity <pledged my troth>
2 : one's pledged word <I don't remember the details or, by my troth, even the gist — Stanley Elkin>; also : betrothal