Lewis & Short

Nequīnum, i, n.,

  1. I. a city in Umbria, on the site of which Narnia afterwards stood, Liv. 10, 9; 10; cf. Plin. 3, 14, 19, § 113.
    Hence,
  2. II. Nequīnātes, um, m., the inhabitants of Nequinum: Nequinates Narnienses, Paul. ex Fest. p. 176 Müll.; Fast. Triumph. ap. Grut. 296, col. 2.