Devālayāḥ
देवालयाः
Palaces of the Gods
The rites of oblation, O lovers of truth, which the sages divined from the sacred verses, were variously expounded in the threefold Veda. Perform them with constant care. This is your path to the world of holy action.§
Atharva Veda, Muṇḍaka Upanishad, 1.2.1. VE, P. 414§