ἀπαλαίωτος
From LSJ
μὴ τὴν ὄψιν καλλωπίζου, ἀλλ' ἐν τοῖς ἐπιτηδεύμασιν ἴσθι καλός → Don't beautify your face, but be beautiful in your habits (Thales, in Diog. Laertius 1.37)
English (LSJ)
ον,
A not growing old or decaying, Hsch.s.v. ἀγήραος.
Greek (Liddell-Scott)
ἀπαλαίωτος: -ον, ὁ μὴ παλαιούμενος, μὴ φθειρόμενος, Ἡσύχ. ἐν λέξει ἀγήραον.