רֹ֥עָה הִֽתְרֹעֲעָ֖ה הָאָ֑רֶץ פּ֤וֹר הִֽתְפּוֹרְרָה֙ אֶ֔רֶץ מ֥וֹט הִֽתְמוֹטְטָ֖ה אָֽרֶץ׃
The earth is broken, broken down, The earth is crumbled in pieces, The earth trembleth and tottereth;
Rashi on Isaiah
The earth has broken (רֹעָה הִתְרֹעֲעָה) an expression of breaking. Comp. (Ps. 2:9): “You shall break them (תְּרֹעֵם) with an iron rod.”
Ibn Ezra on Isaiah
רעה Is broken. Comp. תרועם thou wilt break them (Ps. 2:9); a word found frequently in the Targum.28רעע in Chaldee is the same as רצץ in Hebrew.
Rashi on Isaiah
has crumbled (פּוֹר הִתְפּוֹרְרָה), an expression of crumbs.