Arniensis
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
Latin > English (Lewis & Short)
Arniensis: e, v. Arnus.
Latin > French (Gaffiot 2016)
Arnĭēnsis,¹⁵ e, de l’Arno [nom d’une tribu de Rome] : Cic. Agr. 2, 79 ; Liv. 6, 5, 8.