From charab; desolate; Choreb, a (generic) name for the Sinaitic mountains -- Horeb.
see HEBREW charab
H2722. Choreb
חוֺרֵב חֹרֵב, proper name, of a mountain Horeb (waste, desert) — ᵐ5 Χωρηβ (see LagBN 85); חֹרֵ֑בָה הָאֱלֹהִים אֶלהַֿר Exodus 3:1 (E), compare חֹרֵב הָאֱלֹהִים הַר עַד 1 Kings 19:8; בְּחֹרֵב הַצּוּר Exodus 17:6, חוֺרֵב הַר 33:6 (both E); בְּחֹרֵב מֵחֹרֵב, Deuteronomy 1:2, 6, 19; 4:10, 15; 5:2; 9:8; 18:16; Deuteronomy 28:69; 1 Kings 8:9; 2 Chronicles 5:10; Psalm 106:19; Malachi 3:22; the sacred mountain of the wilderness, no geographical difference from סִינַי discoverable, but synonym of it in E and (especially) D (except poem Deuteronomy 33:2; see סִינַי P).