Smith's Bible Dictionary (1863)
(paleness of the people), either a descendant of Caleb the son of Hezron, or the name of a place in the tribe of Judah. (1 Chronicles 2:44)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JOR'KOAM (paleness of the people), probably the name of a person; but if a place, it is a town in the territory of Judah. 1 Chr 2:44.