Leviticus 15:13
And when he that hath an issue is cleansed of his issue; then he shall number to himself seven days for his cleansing, and wash his clothes, and bathe his flesh in running water, and shall be clean.
Cross-references
Leviticus 15:28 similarly requires seven days after a woman's discharge ends, mirroring the cleansing pattern.
Leviticus 15:27 applies the same washing and bathing requirement to anyone touching a menstruating woman — a parallel impurity regulation.
Leviticus 14:8 prescribes the same steps—wash clothes, bathe, seven days—for a leper's cleansing.
Leviticus 22:4 bars priests with a discharge from eating holy offerings until clean — applying the same impurity to priestly duties.
Leviticus 11:25 also requires washing clothes after touching an unclean carcass — a parallel purification ritual for impurity.
Ezekiel 36:25-29 uses water cleansing as a metaphor for God sprinkling clean water to purify from idols — directly echoing the ritual washing here while promising inner renewal.
Jeremiah 33:8 promises God will cleanse from all sin — a spiritual counterpart to the ritual cleansing, moving from physical to moral defilement.
2 Corinthians 7:1 calls believers to cleanse themselves from every defilement — applying the OT purification principle to moral and spiritual holiness.
Numbers 31:24 commands washing clothes on the seventh day after battle — a parallel purification for wartime defilement.
Deuteronomy 23:11 requires washing after a nocturnal emission — a parallel purification for bodily discharges.