Cākṣuṣa–Vaivasvata Manvantara Transition, Deva-Gaṇa Taxonomy, and Loka-Triad Etymology
Bhūr–Antarikṣa–Dyu
लोकत्रयस्य नाथास्ते तस्मादिन्द्राद्विजैः स्मृताः / प्रधानभूता देवेन्द्रा गुणभूतास्तथैव च
lokatrayasya nāthāste tasmādindrādvijaiḥ smṛtāḥ / pradhānabhūtā devendrā guṇabhūtāstathaiva ca
They are the lords of the three worlds; therefore the twice-born remember them as “Indras.” These Devendras are of the nature of Pradhāna, and likewise of the Guṇas.