Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
saetōsus (sēt-), a, um, adj. [saeta], full of coarse hairs or bristles, bristly, setous (mostly poet.; cf.: villosus, pilosus): aper, Verg. E. 7, 29; cf.: setosa membra (of the sailors of Ulysses, transformed into swine by Circe), Hor. Epod. 17, 15: aures tauri, Plin. 8, 45, 70, § 181: frons, Hor. S. 1, 5, 61; cf. pectus, Cels. 2, 8: verbera, made of goats’ hair, Prop. 4, 1, 25.