אוּר (ʾurîm) is
a Hebrew noun
meaning flame. It appears
6 times
in 2 books of the Hebrew Bible
(Strong's H217).
Also rendered
region of light
Same Hebrew root (TWOT 52d)
Root family 52: אוֹרʾôr — to be or become light, shine; in the Hiphil stem, to give light, cause to shine. Corresponds to Ugaritic ʾr “to be bright; to illumine,” and Akkadian urru “day.”