troth
1. troth \'tro.th, 'tra:th, 'tro-th\ n [ME trouth, fr. OE tre-owth - more at TRUTH] 1: loyal or pledged faithfulness : FIDELITY 2: one's pledged word; also : BETROTHAL 2. troth \'tra:th, 'tro.th, 'tro-th\ vt : PLEDGE, BETROTH
Webster's English Dictionary1. troth \'tro.th, 'tra:th, 'tro-th\ n [ME trouth, fr. OE tre-owth - more at TRUTH] 1: loyal or pledged faithfulness : FIDELITY 2: one's pledged word; also : BETROTHAL 2. troth \'tra:th, 'tro.th, 'tro-th\ vt : PLEDGE, BETROTH