māsi māsi pradṛśyate

sasvat-perpetual; kama-of sexual desire; varena-because of the benediction; amhah-the sinful reaction for killing a brahmana; turiyam-one fourth; jagrhuh-accepted; striyah-women; rajah-rupena-in the form of the menstrual period; tasu-in them; amhah-the sinful reaction; masi masi-every month; pradrsyate-is visible.