in-vestīgo, āvi, ātum, 1, v. a. (investigandum for investigandorum, Pac. ap. Non. 495, 26), to track or trace out, as a dog; to search after (class.).
I Lit.: canum tam incredibilis ad investigandum sagacitas narium, Cic. N. D. 2, 63, 158: illam, Plaut. Merc. 3, 4, 79: latentes conscios, Suet. Dom. 10: David et Viros ejus, Vulg. 1 Reg. 24, 3.—
II Trop., to trace out , find out , discover , investigate , search into : nihil investigo quicquam de illa, Plaut. Merc. 4, 6, 13: quid dare velis, qui istaec tibi investiget indicetque, id. Rud. 5, 2, 35: nil tam difficile est, quin quaerendo investigari possiet, Ter. Heaut. 675: qui sim, nequeo certum investigare, Plaut. Aul. 4, 9, 4: Cibyratici canes investigabant et perscrutabantur omnia, Cic. Verr. 2, 4, 21, § 47: conjurationem, id. Sull. 1, 3; 30, 85: veri investigandi cupidus, id. Fin. 4, 8, 20: de Lentulo, id. Att. 9, 7, 6: diligentia inimici investigatum est, quod latebat, id. Lig. 1, 1: ubi Lentulus sit, investigare non possum, id. Att. 9, 1, 2: conatus, id. Verr. 1, 16, 48: perquirere et investigare homines, Q. Cic. Petit. Cons. 8: quae per notas scripta, to decipher , Suet. Caes. 56.