E / explānātor
noun

explānātor

gen. explānātōris · gender masculine · decl. 3rd
an explainer; interpreter
an explainer, interpreter: sunt enim explanatores, ut grammatici poëtarum, Cic. Div. 1, 51, 116: explanator aut interpres ejus legis, Lact. (Cic. ap. Lact.?) 6, 8.