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

For Haman the son of Hammedatha, the Agagite, the enemy of all the Jews, had devised plans against the Jews to destroy them. He had cast pur (that is, the lot) in order to afflict and destroy them.

In the first month (that is, the month of Nisan), in the twelfth year ¹  of King Ahasuerus’ reign, pur ²  (that is, the lot) was cast before Haman in order to determine a day and a month. ³  It turned out to be the twelfth month (that is, the month of Adar). ⁴