νήκουστος
From LSJ
ὁ κόσμος ἀλλοίωσις, ὁ βίος ὑπόληψις → the universe is flux, life is opinion | the universe is transformation: life is opinion | the universe is change, life is a fleeting impression | the universe—mutation: life—opinion
English (LSJ)
ον, (νη-, ἀκουστός)
A deaf, not hearing, Emp.137.3. II unheard, unknown, Arat.173.
German (Pape)
[Seite 252] (νηἀκουστός), ungehört, unbekannt, Arat. 173.