en_tn/lev/18/08.md

Do not uncover the nakedness of your father's wives

Here the idiom "uncover the nakedness" of someone means "have sexual relations" with someone. See how you translated this idiom in Leviticus 18:6. Alternate translation: "Do not have sexual relations with your father's wives" (See: rc://en/ta/man/jit/figs-idiom)

your father's wives

Sometimes men had more than one wife. God did not allow a son to have sexual intercourse with any woman married to his father.

it is your father's nakedness

"you disgrace your father" or "you shame your father"