Boyd’s Bible Dictionary:
(grandson). Grandchild or descendant (Job 18:19; Isa. 14:22).
Concise Bible Dictionary:
1. bene banim, “grandchildren” (Judg. 12:14).
2. neked, “offspring, progeny” (Job 18:19; Isa. 14:22).
3. ἔκγουα, “offspring, descendant” (1 Tim. 5:4).
Strong’s Dictionary of Greek Words:
Meaning:
neuter of a derivative of a compound of 1537 and 1096; a descendant, i.e. (specially) grandchild