Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ănēthum, i, n., = ἄνηθον, dill, anise: Anethum graveolens, Linn.; Verg. E. 2, 48; Plin. 19, 8, 52, § 167; Vulg. Matt. 23, 23.