a myth about purusha a god of the vedic religion provided the basis for
Historical Vedic religion The historical Vedic religion (also known as Vedism, Brahmanism, Vedic Brahmanism, and ancient Hinduism[note 1]) was the religion of the Indo-Aryans of northern India during the Vedic period.[5] It is one of the historical elements from which modern Hinduism emerged, although significantly different from it.[note 2]
Ahura Mazda Some scholars (Kuiper. IIJ I, 1957; Zimmer. Münchner Studien 1984:187–215) believe that Ahura Mazda originates from *vouruna-mitra, or Vedic Varuna (and Mitra).[13] According to William W Malandra both Varuna (in Vedic period) and Ahura Mazda (in old Iranian religion) represented same Indo-Iranian concept of a supreme "wise, all-knowing lord".[14]