γρυπόομαι
From LSJ
ἀρχὴ παιδεύσεως ἡ τῶν ὀνομάτων ἐπίσκεψις → the beginning of education is the examination of names, the beginning of philosophical education is the examination of names, the beginning of all education is the investigation of names
English (LSJ)
Pass.,
A to become hooked, of the nails, Hp.Prog.17, Alex.Aphr.Pr.2.18, Gal.8.47.
Greek (Liddell-Scott)
γρῡπόομαι: παθ. , γίνομαι καμπουρωτὸς ἢ καμπύλος, κυρτός· ἐπὶ τῶν ὀνύχων, Ἱππ. Προγν. 42· πρβλ. γρυπαίνω.
Spanish (DGE)
curvarse ὄνυχες Hp.Prog.17, Gal.8.47, Alex.Aphr.Pr.2.18, pero γρυποῦνται δὲ ὄνυχας Hp.Coac.396, cf. Dionysius en Harp.s.u. γρυπάνιον, Hsch.s.uu. γρυμπάνειν, γρύπτειν, EM 242.9G.
Dutch (Woordenboekgrieks.nl)
γρυπόομαι [γρυπός] krom worden, van nagels. Hp. Prog. 17.