וְיֵה֖וּא בָּ֣א בַשָּׁ֑עַר וַתֹּ֣אמֶר הֲשָׁל֔וֹם זִמְרִ֖י הֹרֵ֥ג אֲדֹנָֽיו׃
And as Jehu entered in at the gate, she said: ‘Is it peace, thou Zimri, thy master’s murderer?’
Read midrashic interpretation of II Kings 9:31: and classical rabbinic exegesis.