ἀνυπαρξία
From LSJ
Θέλομεν καλῶς ζῆν πάντες, ἀλλ' οὐ δυνάμεθα → Bene vivere omnes volumus, at non possumus → Gut leben wollen wir alle, doch wir können es nicht
English (LSJ)
ἡ,
A non-existence, nonentity, Phld.Mort.28, Antip.Stoic.3.252, S.E.P.1.21, Plot.5.5.2. 2 absence of predication, ἡ ἀπόφασις said to be ἀναίρεσις (τῆς φάσεως) καὶ ἀ. Alex.Aphr. in Top. 409.19.
German (Pape)
[Seite 266] ἡ, das Nichtvorhandensein, Sext. Emp.