τετρακαιδεκέτις
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
[Seite 1097] ιδος, ἡ, fem. zum Vor., Isocr. 19, 22.