Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ĕpĭthĕton, i, n., = ἐπίθετον, in gram., an epithet, adjective, Quint. 8, 2, 10; 8, 3, 20; Macr. S. 6, 5 al.