προγηράσκω
From LSJ
ὥσπερ σελήνη γ' ἡλίῳ· τὴν μὲν χρόαν ἰδεῖν ὁμοιόν ἔστι θάλπει δ' οὐδαμῶς → like the moon to the sun: its color is similar to the eye, but it does not give off any heat
English (LSJ)
A grow old before, τοῦ χρόνου τοῦ ἱκνευμένου Hp.Aër.7: abs., Luc.Tim.20. 2 grow prematurely old, Id.Rh.Pr.10, Sor.1.87; ἐν τοῖς πόνοις Ph.2.287.