tat-saṁsṛtiḥ puruṣasyānurodhāt

sthali-on the cooking pot; agni-tapat-because of the heat of fire; payasah-the milk put into the pot; abhitapah-becomes hot; tat-tapatah-because of the milk's becoming hot; tandula-garbha-randhih-the center of the rice within the milk becomes cooked; deha-indriya-asvasaya-the bodily senses; sannikarsat-from having connections with; tat-samsrtih-the experience of fatigue and other miseries; purusasya-of the soul; anurodhat-from compliance due to being grossly attached to the body, senses and mind.