Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Mēthymna, ae, f., = Μήθυμνα, a city in the island of Lesbos, famous as the birthplace of the poet Arion, and for its excellent wine, now Molivo, Mel. 2, 7, 4; Liv. 45, 31, 14: quot habet Methymna racemos, Ov. A. A. 1, 57.
Hence.