diaeresis
From LSJ
ἀλλ' ἐπὶ καὶ θανάτῳ φάρμακον κάλλιστον ἑᾶς ἀρετᾶς ἅλιξιν εὑρέσθαι σὺν ἄλλοις → even at the price of death, the fairest way to win his own exploits together with his other companions | but even at the risk of death would find the finest elixir of excellence together with his other companions | but to find, together with other young men, the finest remedy — the remedy of one's own valor — even at the risk of death
Latin > English (Lewis & Short)
dĭaerĕsis: is, f., = διαίρεσις.
I In gram., the dividing of one syllable into two, as aquaï for aquae, Serv. ad Verg. A. 7, 464.—
II In rhet., a figure, pure Lat. distributio, distribution, Jul. Rufin. 21, p. 242.