צוּם (ṣûm) is
a Hebrew verb
meaning abstain from food. It appears
21 times
in 11 books of the Hebrew Bible
(Strong's H6684).
Also rendered
to fast
Same Hebrew root (TWOT 1890)
Range of meaning (TWOT 1890)abstain from food, fast; cover
Full entry: Brown-Driver-Briggs and Strong's
צוּםverb: abstain from food, fast
Strong's H6684צוּם: to cover over (the mouth), i.e. to fast KJV:× at all, fast.
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.