And they shall come, and shall rest all of them in the desolate valleys, and in the holes of the rocks, and upon all thorns, and upon all bushes. Holes of the rocks "Caverns" - So the Septuagint, Syriac, and Vulgate, whence Houbigant supposes the true reading to be הנחללים hannachalolim. One of my oldest MSS. reads הנחלולים hannochalolim.
Related Commentaries of Isaiah 7:19
Isaiah 7:19
19 And they shall come, and shall rest all of them in the desolate valleys, and in the holes of the rocks, and upon all thorns, and upon all bushes.e