jahau sa maru-dhanvani

imam-this; vidyam-prayer; pura-formerly; kascit-someone; kausikah-Kausika; dharayan-using; dvijah-a brahmana; yoga-dharanaya-by mystic power; sva-aṅgam-his own body; jahau-gave up; sah-he; maru-dhanvani-in the desert.