itihāsa-purāṇayoḥ

itihasa-puranayoh
yogesvara-the master of the mystic powers; aisvarya-opulence; gatih-advancement; liṅga-astral body; bhaṅgah-detachment; tu-but; yoginam-of the mystics; veda-transcendental knowledge; upaveda-knowledge in pursuance of the Veda indirectly; dharmanam-of the religiosities; itihasa-history; puranayoh-of the Puranas.