Abbott-Smith Manual Greek Lexicon
ἔκ-γονος (G1549)
1 ἔκ-γονος , -ον ( ἐκγίγνομαι , to be born of), [in LXX for פְּרִי (neut.), בֵּן , etc. ;] c. gen., born of . As subst., ὁ, ἡ ἔ. , a child, son or daughter ; in pl., descendants : τέκνα ἢ ἔ. , children or grand-children , I Ti 5:4 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain