Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lēgis-lātor and lēgum-lātor (in class. authors usu. written separately; v. lator), ōris, m., a law-giver, legislator: noster legumlator, Liv. 34, 31; Quint. 7, 8, 13; id. Decl. 329; 334: legislator, Val. Max. 6, 5, n. 3 ext.: non satis in ea re legislatorem voluntatem suam verbis expressisse, Gai. Inst. 3, 76 al.