Strong's Concordance

Original word: פָּלַץ
Transliteration: palats
Definition (short): tremble
Definition (full): to rend, to quiver

NAS Exhaustive Concordance

Word Origin: a prim. root
Definition: to shudder
NASB Translation: tremble (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

A primitive root; properly, perhaps to rend, i.e. (by implication) to quiver -- tremble.
KJV: Which shaketh the earth out of her place, and the pillars thereof tremble.
NASB: Who shakes the earth out of its place, And its pillars tremble;