Forebear

имя существительное [литературно-книжное] прародитель, предок; предшественник Синоним(ы): ancestor, forefather, progenitor Антоним(ы): descendant, offspring, progeny

Большой англо-русский словарь

Forebear

also forbear noun Etymology: Middle English (Scots), from fore- + -bear (from been to be) ancestor, forefather; also precursor — usually used in plural

Merriam-Webster's Collegiate Dictionary