γρῦ
From LSJ
Μὴ φεῦγ' ἑταῖρον ἐν κακοῖσι κείμενον → Ne fuge sodalem, cum calamitas ingruit → Lass einen Freund in Schwierigkeiten nicht im Stich
English (LSJ)
used with negs., ἀποκρινομένῳ . . οὐδὲ γρῦ not
A a syllable, Ar.Pl. 17, cf. D.19.39; μηδὲ γ. λέγε Men.521; ὄψου μηδὲν . . μηδὲ γ. not a morsel, not a bit, Antiph.190.13; διαφέρει Χαιρεφῶντος οὐδὲ γ. Men. 364, cf. Sam.310, Aristaenet.1.17, Jul.ad Ath.273b. (Expld. of the noise of swine, not even a grunt, by Sch.Ar. l.c.; also, a small coin, Suid.; but prop., = dirt under the nail, Hsch., who also explains it as = γρύτη, cf. γρύξ.)