läutern

From LSJ

ἅλμην πιόντες ἐξαπῆλθον τοῦ βίου → they drank seawater and departed from life

Source

German > Latin

läutern, I) eig.: purgare. – II) uneig., bessern, verbessern: emendare (z.B. animum, ingenium alcis).