A person who God considers spiritually unacceptable or defiled is spoken of as if the person were physically unclean. See how you translated this in [Ezekiel 23:7](../23/07.md). (See: [[rc://en/ta/man/jit/figs-metaphor]])
This refers to how they had both made themselves unclean. Alternate translation: "Both sisters became unclean through their acts of prostitution" (See: [[rc://en/ta/man/jit/figs-explicit]])