Ērētum, i, n., = Ἤρητον,
I an ancient city of the Sabines , now Grotta Marozza (acc. to G. Long, Rimane ), Verg. A. 7, 711; Liv. 3, 26; 29 al.
II —Hence, Ērētīnus , a, um, adj., of Eretum , Tib. 4, 8, 4.
ERE´TUM(Ἠρητόν: Eth. Ἠρητῖνος: Grotta Marozza), a town of the Sabines, situated on the Via Salaria, ...
Dictionary of Greek and Roman Geography