σταδιεύς
From LSJ
Ὅσον ζῇς, φαίνου, μηδὲν ὅλως σὺ λυποῦ· πρὸς ὀλίγον ἐστὶ τὸ ζῆν, τὸ τέλος ὁ χρόνος ἀπαιτεῖ. → While you live, shine; have no grief at all; life exists only for a short while, and time demands its toll.
English (LSJ)
έως, ὁ,= σταδιοδρόμος, Plb.16.28.9, 38.14.1, AP9.557 (Antip.); παῖς σ., in the title of Pi.O.14, cf. Sch.Id.N.8.