Esther 9:24–28

²⁴For Haman the son of Hammedatha, the Agagite, the adversary of all the Jews, had devised against the Jews to cause them to perish and ^ahad cast Pur, that is the lot, to throw them into confusion and cause them to perish.

²⁵But ^awhen it came before the king, he said by letter ^bthat his evil scheme, which he had ¹devised against the Jews, ^cshould return on his own head and that he and his sons should be hanged on the ²gallows.

²⁶Therefore they called these days Purim after the name of Pur. Therefore, ^abecause of the words in this letter, both what they had seen in this regard and what had reached them,

²⁷the Jews established and accepted a custom for themselves and for their seed and for ^aall those who joined themselves to them, so that ^1bcelebrating these two days according to what was written down and according to their fixed time from year to year would not pass away.

²⁸So these days were to be remembered and celebrated throughout every generation, every family, every province, and every city; thus these days of Purim were not to pass away from among the Jews, nor their memory come to an end from their seed.