Leviticus 15:16

16 `And when a man's seed of copulation goeth out from him, then he hath bathed with water all his flesh, and been unclean till the evening.

Leviticus 15:16 In-Context

14 `And on the eighth day he taketh to himself two turtle-doves, or two young pigeons, and hath come in before Jehovah unto the opening of the tent of meeting, and hath given them unto the priest;
15 and the priest hath made them, one a sin-offering, and the one a burnt-offering; and the priest hath made atonement for him before Jehovah, because of his issue.
16 `And when a man's seed of copulation goeth out from him, then he hath bathed with water all his flesh, and been unclean till the evening.
17 `And any garment, or any skin on which there is seed of copulation, hath also been washed with water, and been unclean till the evening.
18 `And a woman with whom a man lieth with seed of copulation, they also have bathed with water, and been unclean till the evening.
Young's Literal Translation is in the public domain.