Strong's #7325: ruwr (pronounced roor)
a primitive root; to slaver (with spittle), i.e. (by analogy) to emit a fluid (ulcerous or natural):--run.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
rûr
1) (Qal) to flow
Part of Speech: verb
Relation: a primitive root
Usage:
This word is used 1 times:
Leviticus 15:3: "his uncleanness in his issue: whether his flesh run with his issue, or his flesh"