Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
hellŭo (hēluo), ōnis, m., a gormandizer, glutton, squanderer: fraus, helluo, Ganeo! Ter. Heaut. 5, 4, 10: ille gurges atque helluo, natus abdomini suo, Cic. Pis. 17, 41: impurus, id. Agr. 1, 1, 2: me ipsum ut contempsit helluo patriae! id. Sest. 11, 26.