Strong's #5220: neked (pronounced neh'-ked)

from an unused root meaning to propagate; offspring:--nephew, son's son.

Brown-Driver-Briggs Hebrew Lexicon:

neked

1) progeny, posterity

Part of Speech: noun masculine

Relation: from an unused root meaning to propagate

Usage:

This word is used 3 times:

 

Genesis 21:23: "by God that thou wilt not deal falsely with me, nor with my son, nor with my son's son: but according to the kindness that I have done unto"
Job 18:19: "He shall neither have son nor nephew among his people, nor any remaining in his dwellings."
Isaiah 14:22: "the name, and remnant, and son, and nephew, saith the LORD."