Historical Vedic religion given to Absolute reality (Brahman) speculations in the early Upanishads, as these terms are etymologically linked. The word Brahmanism was coined by Gonçalo Fernandes Trancoso (1520-1596) in the 16th century. The Vedic religion was probably the religion of the Vedic Indo-Aryans, and existed in northern India from c. 1750–500 BCE. The Indo-Aryans were a branch of the Indo-European language family, which originated in the Sintashta culture and further developed into the Andronovo culture, which in turn developed out of the Kurgan culture of the Central Asian steppes. The commonly proposed period of earlier Vedic age is dated back to 2nd
Buddhism in South Asia between 1800 and 1500 B.C. The religion of the Indo-Aryans was a regional variant of Indo-European practices, called either Vedism or Brahmanism. Unlike the peaceful agrarians of the Indus Valley, these people were rough cattle herders. As they acquired political and military power, their religion became classical Hinduism. While it is doubtful whether the office of priest (Brahmana) was hereditary among the early Indo-Aryans, by the time the Buddha taught, only members of the Brahmin caste (varna) could become priests. It was considered a personal honor to worship. Buddhism later branched off from that same stock, which grew and flourished