Firmum — Lewis & Short
Firmum, i, n.,
cohors,Liv. 44, 40:
L. Tarutius Firmanus,of Firmum, Cic. Div. 2, 47, 98:
audivi ex Gavio hoc Firmano,id. Att. 4, 8, b, 3:
fratres,id. ib.— Subst.: Firmāni, ōrum, m., the inhabitants of Firmum, Firmians, Cic. Phil. 7, 9, 23.—Castellum Firmānōrum, the port of Firmum, regarded as a separate place, now Porto di Fermo, Plin. 3, 13, 18, § 111.