Ānava, the vrddhi derivation of Anu appears as the name of a ruler in the Rigvedic account of the Battle of the Ten Kings (7.18.13) and at 8.4.1 with the Turvaśa (tribe). The meaning ánu "living, human" (Naighantu) cannot be substantiated for the Rigveda  and may have been derived from the tribal name.
- Macdonell, Arthur Anthony; Keith, Arthur Berriedale (1912). Vedic Index of Names and Subjects. Vol. I. John Murray. p. 22.
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- Witzel, Michael (2001) [1995, uncorrected edition]. "4. Early Indian history: Linguistic and textual parametres". In Erdosy, George (ed.). The Indo-Aryans of Ancient South Asia: Language, Material Culture and Ethnicity. Indian Philology and South Asian Studies (Corrected self-published ed.). De Gruyter. doi:10.1515/9783110816433-009. ISBN 978-3-11-081643-3.
- Mayrhofer, Etym. Dict. 1986, pt. 1, p. 74