ἄοιστος
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
Greek (Liddell-Scott)
ἄοιστος: -ον, ἀφόρητος, Αἰσχύλ. Ἱκ. 881, καθ’ Ἕρμ. ἀντὶ ἄϊστος.
Russian (Dvoretsky)
ἄοιστος: невыносимый, нестерпимый (Aesch. - v. l. к ἄϊστος).