רַעַד (rĕʿadâ) is
a Hebrew noun
meaning trembling. It appears
6 times
in 4 books of the Hebrew Bible
(Strong's H7461).
Also rendered
shudder
Same Hebrew root (TWOT 2184b)
Range of meaning (TWOT 2184b)shudder; trembling
Full entry: Brown-Driver-Briggs and Strong's
רְעַדָהnoun, feminine
Strong's H7461רַעַד: a shudder KJV:trembling.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2184: רָעַדrāʿad — tremble, quake; trembleth; shudder