ke'-nez-it (qenizzi; Kenezaios): the King James Version in Genesis 15:19 and the Revised Version (British and American) uniformly, spell "Kenizzite." The Kenezites were the clan whose name-father was KENAZ (which see). Their land, along with that of their Canaanite tribes, was promised to Abram (Genesis 15:19). To this clan belonged Jephunneh, the father of Caleb (Numbers 32:12; Joshua 14:6,14). It had evidently been absorbed by the tribe of Judah. If the Kenezites went down with Jacob into Egypt, they may have become identified with his family there.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.

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