Strong's #3625: Kelach (pronounced keh'-lakh)
the same as 3624; Kelach, a place in Assyria: -Calah.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
kelach
Calah = "vigour"
1) one of the most ancient cities of Assyria; maybe modern ' Nimrud' located at the confluence of the Tigris and Zab rivers
Part of Speech: noun proper locative
Relation: the same as H3624
Usage:
This word is used 2 times:
Genesis 10:11: "Nineveh, and the city Rehoboth, and Calah,"
Genesis 10:12: "And Resen between Nineveh and Calah: the same is a great city."