Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
2. pēdo, pĕpēdi (pēdĭtum), 3, v. n. [for perdo, Sanscr. root pard-; Gr. πέρδω, πορδή; cf. Germ. Furz; Engl. fart], to break wind, Hor. S. 1, 8, 46; Mart. 10, 14, 10.
Part. as subst.: pēdĭtum, = crepitus ventris, Cat. 54, 3.