H3710 כֵּף כֵּף (kêph), Strong’s H3710: a hollow rock KJV: rock.. Occurs 2 times. Source: https://besorah.bible/word/H3710 — Besorah, the whole Bible in Hebrew, Greek and English. Texts and licences: https://besorah.bible/about/credits.html kêph — a hollow rock KJV: rock. Derived from כָּפַף kâphaph (https://besorah.bible/word/H3721) (to curve) Occurs 2 times. Brown–Driver–Briggs - [כֵּף] n.[m.] rock Where it occurs - Jeremiah 4:29 (https://besorah.bible/tanakh/jeremiah/4?v=29) — Every city flees for the noise of the horsemen and archers. They go into the thickets and climb up on the rocks. Every… - Job 30:6 (https://besorah.bible/tanakh/job/30?v=6) — so that they live in frightful valleys, and in holes of the earth and of the rocks.