Easton's Bible Dictionary (1897)
Founded by God, a “desert” on the ascent from the valley of the Dead Sea towards Jerusalem. It lay beyond the wilderness of Tekoa, in the direction of Engedi (2 Chr. 20:16, 20). It corresponds with the tract of country now called el-Hasasah.
Smith's Bible Dictionary (1863)
(founded by God), The wilderness of, the place in which Jehoshaphat was informed by Jahaziel the Levite that he should encounter the hordes of Ammon, Moab and the Mehunims. (2 Chronicles 20:16) The name has not been met with.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JER'UEL (founded of God), THE WIL'DERNESS OF, the place in which Jehoshaphat met and defeated the Ammonites, Moabites, and their allies. 2 Chr 20:16. It was near Tekoah and the valley of Berachah, on the west of the Dead Sea, probably the tract known as el-Hasasah, on the road from En-gedi to Jerusalem.
Hitchcock's Bible Names (1869)
fear, or vision of God