Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ellychnĭum, ii, n., = ἐλλύχνιον, a lamp-wick, Plin. 23, 4, 41, § 84; 28, 11, 47, § 168; Vitr. 8, 1; Stat. S. 4, 9, 29.