κυνοκοπέω
From LSJ
κρείσσων ἐναρχόμενος βοηθῶν καρδίᾳ τοῦ ἐπαγγελλομένου καὶ εἰς ἐλπίδα ἄγοντος· δένδρον γὰρ ζωῆς ἐπιθυμία ἀγαθή (Proverbs 13.12 LXX) → One who sincerely sets about helping is better than one who makes promises leading to hope; for a kindly urge is a tree of life.
English (LSJ)
A beat like a dog, Id.Eq.289.
Greek (Liddell-Scott)
κῠνοκοπέω: ξυλοκοπῶ ὡς νὰ κτυπῶ σκύλλον, κυνοκοπήσω σου τὸ νῶτον Ἀριστοφ. Ἱππ. 289.