Charles Ellicott Commentary 2 Kings 5:11

"But Naaman was wroth, and went away, and said, Behold, I thought, He will surely come out to me, and stand, and call on the name of Jehovah his God, and wave his hand over the place, and recover the leper." — 2 Kings 5:11 (ASV)

But (and) Naaman was angry—because, as his words show, he thought he was mocked by the prophet.

I thought—I said to myself.

Strike his hand. —Rather, wave his hand towards the place. (Isaiah 11:15.) He would not touch the unclean place.

Recover the leper. —Or, take away the leprous (part). So Thenius; but everywhere else měçôrâ‘ means “leprous man,” “leper” (Leviticus 14:2).