Lexical Definition

‎ἔκγονον‎ ékgonon (ek'-gon-on) descendant G:A
neuter of a derivative of a compound of ‎ἐκ‎ and ‎γίνομαι‎

nephew.

Usage: 6 forms in 28 verses
Form Translated As     In Verse(s)
ἔκγονα grandchildren 1Tim.5.4
εκγόνων of progeny LXX.Isa.11.8
εκγόνοισ progeny LXX.Deut.28.11LXX.Deut.28.11LXX.Deut.30.9LXX.Deut.30.9LXX.2Sam.21.16
έκγονον progeny LXX.Prov.30.11LXX.Prov.30.12LXX.Prov.30.13LXX.Prov.30.14
έκγονα a progeny LXX.Prov.24.20LXX.Isa.14.29
a progeny for you LXX.Prov.23.18
descendants LXX.Deut.7.13
progeny LXX.Gen.48.6LXX.Deut.28.4LXX.Deut.28.18LXX.Deut.28.51LXX.Deut.28.53LXX.Deut.31.12LXX.Isa.30.6LXX.Isa.48.19LXX.Isa.49.15
their progeny LXX.Isa.14.29LXX.Isa.61.9LXX.Isa.65.23
έκγονά your progeny LXX.Job.5.25

Abbott-Smith

ἔκ-γονος, -ον (< ἐκγίγνομαι, to be born of), [in LXX for פְּרִי (neut.), בֵּן, etc. ;]
1. c. gen., born of.
2. As subst., ὁ, ἡ ἔ., a child, son or daughter; in pl., descendants: τέκνα ἢ ἔ., children or grand-children, I Ti 5:4.†

Abbott-Smith References

Book Refs
1 Timothy 5:4

Liddell-Scott-Jones

ἔκγονος, ον

(η, ον [Refs 5th c.BC+], Doric dialect, [Refs 4th c.BC+], etc.:— born of, sprung from, especially substantive, child, whether son or daughter, [Refs 8th c.BC+] (anapaest meter): plural, ἔκγονοι descendants, [Refs 5th c.BC+], etc.; ἐκγόνων ἔκγονοι children's children, [Refs 5th c.BC+]; also of interest as the child of the principal, [Refs]

__b grandchild, [Refs]
__2 neuter, ἔκγονά τινος one's offspring, [Refs 5th c.BC+]; [ποιηταὶ] . ἑαυτῶν καταλείπουσιν [Refs 5th c.BC+]; compare ἔγγονος.