Affiance

Chamber's Twientieth Century Dictionary · 1908 · p. 5

af-fī′ans, n. faith pledged to: marriage contract: trust: affinity ( in , on ).— v.t. to pledge faith: to betroth.— adj. and n. Affī′anced , betrothed. [O. Fr. a fiance , afier —L. ad , to, fides , faith.]