(1) Someone from whom you are descended (but usually more remote than a grandparent)
Old English ancestre, auncestre, also ancessour; the first forms from Old French ancestre, French ancêtre, from the Latin nom. antecessor one who goes before; the last form from Old French ancessor, from Latin acc. antecessorem, from antecedere to go before; ante before + cedere to go. See cede, and compare with antecessor.
- One from whom a person is descended, whether on the father's or mother's side, at any distance of time; a progenitor; a fore father.
- (Biology) An earlier type; a progenitor
- This fossil animal is regarded as the ancestor of the horse.
- (Law) One from whom an estate has descended;—the correlative of heir.