Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
gilvus (in late Lat. also gilbus; v. the letter B), a, um, adj. [kindr. with Germ. gelb.; Engl. yellow; Sanscr. gāura], pale yellow: equi, Varr. ap. Non. 80, 2; Verg. G. 3, 83; Pall. Mart. 13, 4.