ἀνασείειν
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.
Greek > English (Woodhouse Verbs Reversed)
Lexicon Thucydideum
sursum quassare, to shake up, 4.38.1.