Treasury of Scripture Knowledge

Summary

Because Haman the son of Hammedatha, the Agagite, the enemy of all the Jews, had devised against the Jews to destroy them, and had cast Pur, that is, the lot, to consume them, and to destroy them;

Bible References

The enemy

Esther 9:10
the ten sons of Haman the son of Hammedatha, the Jew's enemy, but they did not lay their hand on the spoil.
Esther 3:5
And when Haman saw that Mordecai did not bow down, nor did him reverence, then Haman was full of wrath.

Pur

Esther 3:7
In the first month, which is the month Nisan, in the twelfth year of king Ahasuerus, they cast Pur, that is, the lot, before Haman from day to day, and from month to month, [to] the twelfth [month], which is the month Adar.