Charles Ellicott Commentary 2 Kings 9:3

"Then take the vial of oil, and pour it on his head, and say, Thus saith Jehovah, I have anointed thee king over Israel. Then open the door, and flee, and tarry not." — 2 Kings 9:3 (ASV)

Then. — And (both times).

Thus saith the Lord ... over Israel. — Only the chief part of the message to Jehu is here given, to avoid publicity. (See below, 2 Kings 9:6–9.)

Over Israel. — Literally, unto Israel, both here and in 2 Kings 9:12. But a great number of manuscripts, and all the versions in both places, read over Israel.

Tarry not. — So as to avoid all questioning, and to give greater force to the act.