διατριπτέον
From LSJ
τότε λαλήσει πρὸς αὐτοὺς ἐν ὀργῇ αὐτοῦ καὶ ἐν τῷ θυμῷ αὐτοῦ ταράξει αὐτούς → then shall he speak to them in his anger, and trouble them in his fury
English (LSJ)
A one must spend time, Arist.Rh.1417a10, Men.Rh. p.359 S. II one must rub, Hippiatr.1.
Greek (Liddell-Scott)
διατριπτέον: ῥημ. ἐπίθ. τοῦ διατρίβω, Ἀριστ. Ρητ. 3.16,6.