ἀφραίνω
From LSJ
πεσεῖν ἐς τὸ μὴ τελεσφόρον → fall fruitless to the ground, fall powerless to the ground
English (LSJ)
(ἄφρων)
A to be foolish, Il.2.258,7.109, Od.20360, Phoc. 5.—Poet. and Hp.Gland.12; later as a philosophic term, Chrysipp.Stoic.3.166, Plu.2.1037d, S.E.M.11.94, Plot.5.8.3.