affiance definition by Webster's New World
- Archaic trust or faith
- a plighting of faith; promise of marriage; betrothal
Origin: Middle English affiaunce ; from Old French afiance ; from afier, to trust in ; from Midieval Latin affidare ; from ad-, to plush fidare, to trust ; from Classical Latin fidere: see fidelity
affiance definition by American Heritage Dictionary
transitive verb af·fi·anced, af·fi·anc·ing, af·fi·anc·es
Origin: From Middle English affiaunce, assurance, from Old French, from affier, to trust to, from Medieval Latin affīdāre : Latin ad-, ad- + Latin fīdus, faithful; see bheidh- in Indo-European roots.