Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
2. Andes, is, m., a village near Mantua, the birthplace of Vergil, now Pietola; hence, Andīnus, a, um, of or from Andes: Andinus, i. e. Vergil, Sil. 8, 595.