Numbers 31:19-21

Darby Translation

¹⁹ And encamp outside the camp seven days; whoever hath killed a person, and whoever hath touched any slain; ye shall purify yourselves on the third day, and on the seventh day, you and your captives.

²⁰ And every garment, and every vessel of skin, and all work of goat's hair, and every utensil of wood shall ye purify.

²¹ And Eleazar the priest said to the men of war that had gone to the battle, This is the statute of the law which Jehovah hath commanded Moses.