Esther 9:23

9:23 So the Jews committed themselves to continue what they had begun to do and to what Mordecai had written to them.

Esther 3:4

3:4 And after they had spoken to him day after day without his paying any attention to them, they informed Haman to see whether this attitude on Mordecai’s part would be permitted. Furthermore, he had disclosed to them that he was a Jew.

Esther 9:26

9:26 For this reason these days are known as Purim, after the name of pur.