Strong’s Hebrew
H7322 — ruwph
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רוּף
ruwph — pronounced roof
a primitive root; properly, to triturate (in a mortar), i.e. (figuratively) to agitate (by concussion):--tremble.
1 occurrence in the KJV.
Job 26:11
The pillars of heaven tremble and are astonished at his reproof.