ἠθαλέος
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)
η, ον, (ἦθος)
A accustomed, εὐναί Opp.C.2.307; [ταῦροι] ib. 88, cf. Epigr.Gr.1035.23 (Pergam.).