the waste, probably some high waste land to the south of the Dead Sea (Num. 21:20; 23:28; 1 Sam. 23:19, 24); or rather not a proper name at all, but simply "the waste" or "wilderness," the district on which the plateau of Ziph (q.v.) looks down.
The stronghold chosen by the fugitive was the hill Hachilah, in the wilderness of Ziph, south of jeshimon.
jeshimon seems to have escaped Alexander the Concordance-smith.
The top of Peor that looketh down upon jeshimon, or the desert, is chosen.