compertus
From LSJ
γλυκύ δ᾽ἀπείρῳ πόλεμος, πεπειραμένων δέ τις ταρβεῖ προσιόντα, νιν καρδίᾳ περισσῶς → A sweet thing is war to the inexperienced, but anyone who has tasted it trembles at its approach, exceedingly, in his heart (Pindar, for the Thebans, fr. 110)
Latin > English
compertus comperta, compertum ADJ :: ascertained, proved, verified; [res ~ => fact; male ~ => bad character]
compertus compertus compertus N M :: experience, personal knowledge
Latin > English (Lewis & Short)
compertus: a, um, v. comperio.
compertus: ūs, m. comperio,
I experience, personal knowledge (late Lat. and very rare): compertu evidentia, App. M. 1, p. 103 fin.>
Latin > French (Gaffiot 2016)
compertus,¹² a, um, part., de comperio.