Esther 9:29

9:29 So Queen Esther, the daughter of Abihail, and Mordecai the Jew wrote with full authority to confirm this second ¹  letter about Purim.

Esther 9:26

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

¹ tc The LXX and the Syriac Peshitta omit the word “second.”