περαντέον
From LSJ
Μεγάλοι δὲ λόγοι μεγάλας πληγὰς τῶν ὑπεραύχων ἀποτίσαντες γήρᾳ τὸ φρονεῖν ἐδίδαξαν → The great words of the arrogant pay the penalty by suffering great blows, and teach one to reason in old age
English (LSJ)
A one must bring to an end, Gal.4.460.
Greek (Liddell-Scott)
περαντέον: ῥηματ. ἐπίθ., πρέπει τις νὰ ἐκτελέσῃ, Γαλην.