ἐπαγρυπνέω
From LSJ
οὐχὶ σοῦσθ'; οὐκ ἐς κόρακας; οὐκ ἄπιτε; παῖε τῷ ξύλῳ → You will not go? The plague seize you! Will you not clear off? Hit them with your stick!
English (LSJ)
A keep awake and think over, keep a watchful eye on, τινί Luc.Tim.14; πράξεσι Onos.1.4: abs., Luc.Gall.31, Plu.Brut.37; ὡς . . PTeb.27.75 (ii B. C.). 2 watch for, ἀπωλείᾳ τινὸς -ηκώς D.S. 14.68: abs., Aristaenet.1.27.