indras teṣāṁ purandaraḥ

adityah-the Adityas; vasavah-the Vasus; rudrah-the Rudras; visvedevah-the Visvedevas; marut-ganah-and the Maruts; asvinau-the two Asvini brothers; rbhavah-the Rbhus; rajan-O King; indrah-the king of heaven; tesam-of them; purandarah-Purandara.