I.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,” Cic. Verr. 2, 5, 68, § 174: “Locris sacrilegium pervestigatum a Q. Minucio erat,” Liv. 31, 13, 1.