Numbers 31:19-21

Complete Jewish Bible

¹⁹ Pitch your tents outside the camp for seven days. Whoever has killed a person or touched the corpse of someone slain, purify yourselves on the third and seventh days, you and your captives. ²⁰ Also purify every garment, whether of skin or goat’s hair, and everything made of wood.”

²¹ El‘azar the cohen said to the soldiers who had gone to the front, “This is the regulation from the Torah which Adonai has ordered Moshe.