Lewis Short
(adjective) : Ērētum, i, n., = Ἤρητοϝ
* An ancient city of the Sabines, now Grotta Marozza (acc. to G. Long, Rimane), Verg. A. 7, 711; Liv. 3, 26; 29 al.—Hence, Ērētīnus, a, um, , of Eretum, Tib. 4, 8, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary