P / perscrūtātor
noun

perscrūtātor

gen. perscrūtātōris · gender masculine · decl. 3rd
a thorough searcher; an examiner
a thorough searcher, an examiner, investigator (post-class.): talium rerum, Capitol. Max. 1 (al. persecutor); Veg. Mil. 3, 3 (al. prosecutores); Cassiod. Var. 2, 15.