turye-in the fourth of the line; dharma-kala-wife of Dharmaraja; sarge-being born of; nara-narayanau-named Nara and Narayana; rsi-sages; bhutva-becoming; atma-upasama-controlling the senses; upetam-for achievement of; akarot-undertook; duscaram-very strenuous; tapah-penance.