The head deity of the Proto-Indo-European pantheon was the god *Dyḗws Ph₂tḗr, whose name literally means "Sky Father". Regarded as the Sky or Day conceived as a divine entity, and thus the dwelling of the gods, the Heaven, Dyēus is, by far, the most well-attested of all the Proto-Indo-European deities.

The following is a table of many of the most fundamental Proto-Indo-European language (PIE) words and roots, with their cognates in all of the major families of descendants. Notes. The following conventions are used: Cognates are in general given in the oldest well-documented language of each family, although forms in modern languages are given ...

Vedic religion, also called Vedism, the religion of the ancient Indo-European-speaking peoples who entered India about 1500 bce from the region of present-day Iran. It takes its name from the collections of sacred texts known as the Vedas. Vedism is the oldest stratum of religious activity in India for which there exist written materials. It was one of the major traditions that shaped …