Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sūtor, ōris, m. [suo], a shoemaker, cobbler.
sūtōrĭus, a, um, adj. [sutor], of or belonging to a shoemaker or cobbler (class.): atramentum, shoemakers’ blacking, Cic. Fam. 9, 21, 3; Plin. 20, 12, 48, § 123; 34, 12, 32, § 123; Cels. 5, 8: fistula, a shoemaker’s punch, Plin. 17, 14, 23, § 100: MERX, Inscr. Orell. 4168: Turpio sutorius, formerly a shoemaker, Cic. Att. 6, 1, 15: Atrium Sutorium, Shoemakers’ Hall, a place in Rome, Varr. L. L. 6, § 14 Müll.; Calend. Praenest. m. Mart. (ap. Inscr. Orell. II., p. 386); v. atrium fin.