Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Zephathah
A valley in the west of Judah, near Mareshah; the scene of Asa's conflict with Zerah the Ethiopian (2 Chr. 14:9-13). Identified with the Wady Safieh.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.