περιεργάζεσθαι
From LSJ
ἑωλοκρασίαν τινά μου τῆς πονηρίας κατασκεδάσας → having discharged the stale dregs of his rascality over me
Greek > English (Woodhouse Verbs Reversed)
(see also περιεργάζομαι): do more than is necessary, waste one's labor, waste one's labour