Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Lyctus or -os, i, f., = Λύκτος, a city of Crete, east of Gnossus, a colony of the Lacedæmonians, Mel. 2, 7, 12; Plin. 4, 12, 20, § 59.
Hence, Lyctĭus, a, um, adj., of or belonging to Lyctus, Lyctian, Cretan: Lyctius Idomeneus, Verg. A. 3, 401: classis, i. e. the Cretan, Ov. M. 7, 490.