Answer: forefather

AnswerCrossword Clue
FOREFATHERAncestor
FOREFATHERFrancis Mulcahy: "What do you shout as a warning in golf?" Radar O'Reilly: "..."
FOREFATHERAncestor.
FOREFATHERPrimogenitor
forefatheran ancestor
forefatherA member of the past generations of one's family or people; an ancestor
forefatherA precursor of a particular movement