τυρόκνηστις
From LSJ
πεσεῖν ἐς τὸ μὴ τελεσφόρον → fall fruitless to the ground, fall powerless to the ground
English (LSJ)
ἡ, acc. ιν Ar.V.938, etc., gen. ιδος Id.Lys.231 sq.: (κνάω):—
A cheese-scraper, cheese-grater, Ar.V.l.c., 963, Av.1579, Pl.Com.8, IG11 (2).154 A69 (Delos, iii B. C.):—τῷ τυροκνηστεῖ (as if from -τεύς) Gal.19.112.