locupletissime

From LSJ

κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education

Source

Latin > French (Gaffiot 2016)

lŏcŭplētissĭmē, [inus. au positif], très richement : Spart. Hadr. 3 || [fig.] -letius Fronto Ep. ad M. Ant. 1, 3.