דּוּרdûwr

דּוּר: circle, ball

Pronunciation: dure · Hebrew/Aramaic (Old Testament) · H1754

Meanings

1. circle (Isaiah 29:3)

2. ball (Isaiah 22:18)

3. heap, pile (Ezekiel 24:5; Ezekiel 24:9)

כַּדּוּר: ball, circle, cordon (Isaiah 22:18)

Same root

דּוּרdûwr · H1752properly, to gyrate (or move in a circle), i.e. to remain

Where it appears

Appears 2 times in the Bible.

Isaiah 22:18 crumple you into a ball, and toss you away into a distant, barren land. There you will die, and your glorious chariots will be broken and useless. You are a disgrace to your master!
Isaiah 29:3 I will be your enemy, surrounding Jerusalem and attacking its walls. I will build siege towers and destroy it.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).