Charles Ellicott Commentary 2 Kings 9:31

"And as Jehu entered in at the gate, she said, Is it peace, thou Zimri, thy master`s murderer?" — 2 Kings 9:31 (ASV)

And as ... she said. — And Jehu had come into the gate, and she said.

Had Zimri ... master? —Rather, Are you well (literally, Is it peace), you Zimri, his master’s murderer? The “Is it peace?” which Jezebel addresses to Jehu, appears to be an ironical greeting. Thenius explains: “Is there to be peace or war between me and you, the rebel?” referring to the same phrase in 2 Kings 9:17–19; 2 Kings 9:22, above. The phrase is vague enough to allow for many meanings, according to circumstances.

Perhaps Jezebel, in her mood of desperate defiance, repeats the question which Jehoram had three times asked Jehu, as a hint that she herself is now the sovereign to whom Jehu owes an account of his actions. She goes on to call him a second Zimri—that is, a regicide like the one who slew Baasha, and likely to enjoy as brief a reign as he did. (See 1 Kings 16:15–18.)