Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Cĕlĕus, ĕi, m., = Κελεός, a king in Eleusis, father of Triptolemus. He or his son was taught agriculture by Ceres, whom he entertained as a guest, Hyg. Fab. 147; Ov. F. 4, 508; Verg. G. 1, 165 Serv. et Philarg.