שַׁחַק (šaḥaq) is
a Hebrew noun
meaning dust. It appears
21 times
in 7 books of the Hebrew Bible
(Strong's H7834).
Also rendered
cloud
Same Hebrew root (TWOT 2367a)
Range of meaning (TWOT 2367a)dust, cloud; powder, beaten, vapor, firmament; small dust, heaven, sky
Full entry: Brown-Driver-Briggs and Strong's
שַׁ֫חַקnoun, masculine: dust, cloud
dust, cloud (as fine, thin)
Strong's H7834שַׁחַק: a powder (as beaten small); by analogy, a thin vapor; by extension, the firmament KJV:cloud, small dust, heaven, sky.
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.