Ādya is one of the gaṇa ( classificatory genus) of the gods as per the classification existing in the Cākṣuṣa (Chakshusha) Manvantara.

Brahmāṇḍapurāṇa (Maharṣi)(1.36.66, 69)
Śivapurāṇa(58. 27-28)
Vāyupurāṇa(62.57)