ἀϊστοσύνη
From LSJ
τὰ καλὰ καὶ συμφέροντα ταῖς ψυχαῖς ἡμῶν καὶ εἰρήνην τῷ κόσμῳ → what is good and profitable to our souls, and for peace to the world
English (LSJ)
ἡ, = ἀπώλεια, EM43.21; = coniventia, Gloss.
Spanish (DGE)
-ης, ἡ aniquilación, EMα 597.
Greek (Liddell-Scott)
ἀϊστοσύνη: «ἡ ἀπώλεια», Ἐτυμ. Μ.