locupletissime
From LSJ
οἱ τοῖς πέλας ἐπιβουλεύοντες, λανθάνουσι πολλὰκις ὑφ' ἑτέρων τοῦτ' αὐτὸ πάσχοντες → when people plot against their neighbours, they fall victim to the same sort of plot themselves
Latin > French (Gaffiot 2016)
lŏcŭplētissĭmē, [inus. au positif], très richement : Spart. Hadr. 3 || [fig.] -letius Fronto Ep. ad M. Ant. 1, 3.