ἅλμην πιόντες ἐξαπῆλθον τοῦ βίου → they drank seawater and departed from life
stubbornness: P. αὐθάδεια, ἡ, σκληρότης, ἡ, Ar. and V. αὐθαδία, ἡ.
cruelty: P. and V. πικρότης, ἡ, ὠμότης, ἡ, V. τραχύτης, ἡ.