Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
undōsus, a, um, adj. [unda], full of waves or surges, surgy, billowy: aequor, Verg. A. 4, 313: Plemyrium, id. ib. 3, 693: regna, Sil. 5, 21.
Comp.: fluctus, Sol. 12 fin.
Sup.: torrentes, Aug. Civ. Dei, 27, 11.
Adv.: undōsē, in waves; comp.: undosius labens, Amm. 27, 4, 7.