Lewis & Short

Avĕnĭo (Avennĭo, Tab. Peut., and Avĕnĭon), ōnis, f., = Αὐενιὡν, a town in Gallia Narbonensis, now Avignon, Mel. 2, 5, 2; Plin. 3, 4, 5, § 36; cf. Mann. Gall. p. 94.