I / imperscrūtābĭlis
adjective

imperscrūtābĭlis

neut. imperscrūtābĭle
(), , 2. in-per-scrutabilis
impenetrable; inscrutable
impenetrable, inscrutable: pater, Cassiod. Hist. Eccl. 1, 14; Hilar. Trin. 11, 47.