- . Eastern Rivers: Áśmanvatī - Identified with Assan. Yamúnā - Identified with Yamuna. Aṃśumátī - Probably an epithet for Yamúnā. Gáṅgā - Identified with Ganges. See also Ap (water) Aryan migration Nadistuti sukta Old European hydronymy Out of India theory Rigvedic deities River goddess Samudra Zhetysu - 7 rivers of Central Asia References Further reading General Blažek, Václav. "Hydronymia R̥gvedica". In: Linguistica Brunensia. 2016, vol. 64, iss. 2, pp. 7–54. ; . Gherardo Gnoli, De Zoroastre à Mani. Quatre leçons au Collège de France (Travaux de l’Institut d’Études Iraniennes de l’Université de la Sorbonne Nouvelle 11), Paris (1985) Rivers History of India Rivers of Sindh Hydronymy Rivers of Pakistan