כּוּשׁ (kûš) is
a Hebrew proper noun
meaning Cush. It appears
30 times
in 11 books of the Hebrew Bible
(Strong's H3568).
Same Hebrew root (TWOT 969)
Range of meaning (TWOT 969)Cush; Chush, Ethiopia
Full entry: Brown-Driver-Briggs and Strong's
כּוּשׁproper name of a man
1.st ‘son’ of חָם
2.land and people of southern Nile-valley, or Upper Egypt
3.כּוּשׁ is err. for כַּשׁ = Bab. Kaššu
Strong's H3568כּוּשׁ: Cush (or Ethiopia), the name of a son of Ham, and of his territory; also of an Israelite KJV:Chush, Cush, Ethiopia.
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.