bhugna-pṛṣṭha-śirodharaḥ

ulbena-by the amnion; samvrtah-enclosed; tasmin-in that place; antraih-by the intestines; ca-and; bahih-outside; avrtah-covered; aste-he lies; krtva-having put; sirah-the head; kuksau-toward the belly; bhugna-bent; prstha-back; sirah-dharah-neck.