Job 30:6

“To dwell in the cliffs of the valleys, etc.] Or “brooks” f1080, in such hollow places as were made by floods and streams of waters: [in] caves of the earth, and [in] the rocks; where they betook themselves for fear of men, and through shame, being naked and miserable not fit to be seen: Job has respect to the Horites and Troglodytes, his neighbours, who dwelt in such places chiefly.”

“They are forced "to dwell." cliffs of the valleys--rather, "in the gloomy valleys"; literally, "in the gloom of the valleys," or wadies. To dwell in valleys is, in the East, a mark of wretchedness. The troglodytes, in parts of Arabia, lived in such dwellings as caves.”

“To dwell in the cliffs of the valleys - The word here rendered “cliffs” (ערוץ ‛ârûts) denotes rather “horror,” or something “horrid,” and the sense here is, that they dwelt in “the horrer of valleys;” that is, in horrid valleys. The idea is that of deep and frightful glens, where wild beasts ranged, far from the abodes of men, and surrounded by frightful wastes. The word rendered “valleys” (נחל nachal) means properly a brook, stream, water-course - what is now called a wady; a place where the winter torrents run, but which is usually dry in summer; see the notes at Job 6:15. In caves of the earth - Margin, as in Hebrew “holes.” Septuagint “Whose houses are - πρῶγλαι πετρῶν trōglai…”

“dwell: Jdg 6:2; Sa1 22:1, Sa1 22:2; Isa 2:19; Rev 6:15 caves: Heb. holes Job 30:7”