Abbott-Smith Manual Greek Lexicon
πρό-γονος (G4269)
2 ** πρό-γονος , -ον ( προγίνομαι ), [in LXX: Es 4:17 , Si 8:4 , al.;] born before . As subst., in pl., οἱ π. , ancestors , forefathers : II Ti 1:3 ; of living parents (so Plat.), I Ti 5:4 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain