As one dead; either naturally, because part of her flesh was putrefied and dead, and not to be restored but by the mighty power of God; or morally, because she was cut off from all converse with others, Leviticus 13:46. When he cometh out of his mother's womb; like an untimely birth, without due shape and proportion, or like a still-born child that hath been for some time dead in the womb, which when it comes forth is white and putrefied, and part of it consumed.
Related Commentaries of Numbers 12:12
Numbers 12:12
12 Let her not be as one dead, of whom the flesh is half consumed when he cometh out of his mother's womb.