Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
mellĭfĭco, 1, v. a. [mellificus], to make honey (poet and in post-Aug. prose): sic vos non vobis mellificatis apes, Verg. ap Don. Vit. Verg. (but ap. Plin. 11, 18, 19, § 59, mella faciunt; v. Sillig).