Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Moschi, ōrum, m., a people between the Black and the Caspian Seas, Mela, 1, 2, 5; 3, 5, 4; Luc. 3, 270; Plin. 6, 4, 4, § 29.
Hence,