The woman also with whom man shall lie with seed of copulation, they shall both bathe themselves in water, and be unclean until the even.
A law regarding ritual purity after sexual intercourse.
King James Version (public domain)
Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him
16And if any man’s seed of copulation go out from him, then he shall wash all his flesh in water, and be unclean until the even.
17And every garment, and every skin, whereon is the seed of copulation, shall be washed with water, and be unclean until the even.
18The woman also with whom man shall lie with seed of copulation, they shall both bathe themselves in water, and be unclean until the even.
19And if a woman have an issue, and her issue in her flesh be blood, she shall be put apart seven days: and whosoever toucheth her shall be unclean until the even.
20And every thing that she lieth upon in her separation shall be unclean: every thing also that she sitteth upon shall be unclean.