דּוּר (kaddûr) is
a Hebrew noun
meaning circle. It appears
3 times
in 2 books of the Hebrew Bible
(Strong's H1754).
Also rendered
ball
Same Hebrew root (TWOT 418a)
Range of meaning (TWOT 418a)circle, ball; cordon; pile; turn, round about
Full entry: Brown-Driver-Briggs and Strong's
דּוּרnoun, masculine: circle, ball
כַּדּוּרnoun, masculine: ball, circle, cordon
Strong's H1754דּוּר: a circle, ball or pile KJV:ball, turn, round about.
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.