Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† pyrōpus, i, m., = πυρωπός (fire-colored), a metallic mixture, gold-bronze, bronze, Plin. 34, 8, 20, § 94; Lucr. 2, 803; Prop. 4 (5), 10, 21; Ov. M. 2, 2.