A primitive root; to slaver (with spittle), i.e. (by analogy) to emit a fluid (ulcerous or natural) -- run.
H7325. rur
[רִיר] verb flow (like slime); — (Aramaic רִירָא saliva, spittle; compare Arabic slaver slobber); —
Qal Perfect3masculine singular אֶתזֿוֺבוֺ בְּשָׂרוֺ רָר Leviticus 15:3 his flesh (בָּשָׂר
3) flows with his issue.