Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ellĕbŏrīne (hell-), es, f., = ἑλλεβορίνη, a kind of hellebore, Plin. 13, 20, 35, § 114; id. 27, 9, 52, § 76.