Lewis Short
Nequīnum | Nequīnātes, um (noun N.m) :
* A city in Umbria, on the site of which Narnia afterwards stood, Liv. 10, 9; 10; cf. Plin. 3, 14, 19, § 113.— Hence
* The inhabitants of Nequinum: Nequinates Narnienses, Paul. ex Fest. p. 176 Müll.; Fast. Triumph. ap. Grut. 296, col. 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary