perscrutatio
From LSJ
Πολλὰ τὰ δεινὰ κοὐδὲν ἀνθρώπου δεινότερον πέλει → There are many wondrous things in this world, but none more wondrous than humans
Latin > English (Lewis & Short)
perscrūtātĭo: ōnis, f. perscrutor,
I a searching through, an examination, investigation: profundi perscrutatio, Sen. Cons. ad Helv. 9, 12.
Latin > French (Gaffiot 2016)
perscrūtātĭō,¹⁶ ōnis, f., action de scruter avec soin, investigations, recherches : Sen. Helv. 10, 5.