per-vestīgo, āvi, ātum, 1, v. a., to trace out, search out.
I Lit., of hounds; hence of spies: canes venaticos diceres, ita omnia odorabantur et pervestigabant, ut, etc., Cic. Verr. 2, 4, 13, § 31.—
II Trop., to seek out , examine , investigate : operam ut sumam ad pervestigandum, ubi sit illaec, Plaut. Merc. 5, 2, 94; cf. id. Rud. 1, 4, 5; Cic. de Or. 2, 34, 147: quae a me pervestigata et cognita sunt, id. Verr. 2, 5, 68, § 174: Locris sacrilegium pervestigatum a Q. Minucio erat, Liv. 31, 13, 1.