evidentia
From LSJ
ὁ φίλος ἐστὶν ἄλλος αὐτός → the friend is another self
Latin > English (Lewis & Short)
ēvĭdentĭa: ae, f. evidens,
I clearness, distinctness.—In rhet. lang., clearness, perspicuity; used by Cicero along with perspicuitas, as a transl. of ἐνάργεια. Cic. Ac. 2, 6, 17; cf. Quint. 6, 2, 32; 4, 2, 63; 9, 2, 40.—
II A proof: magna suae ostensionis, of his own manifestation, Vulg. 2 Macc. 3, 24.