Strong’s Greek
G4482 — rheo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ῥέω
rheo — pronounced hreh'-o
a primary verb; for some tenses of which a prolonged form rheuo hryoo'-o is used to flow ("run"; as water):--flow.
1 occurrence in the KJV.
John 7:38
He that believeth on me, as the scripture hath said, out of his belly shall flow rivers of living water.