πτερυγοτόμος
From LSJ
Ἐρωτώμενος διὰ τί ὀλίγους ἔχει μαθητάς, ἔφη ὅτι ἀργυρέᾳ αὐτοὺς ἐκβάλλω ῥάβδῳ → When asked why he had so few pupils, he replied ‘I chase them away with a silver stick (Diogenes Laertius 6.4.5, on the philosopher Antisthenes)
English (LSJ)
ὁ,
A instrument for this purpose, ibid., Paul.Aeg.6.18 (also -τόμον, τό, Hermes 38.283).
German (Pape)
[Seite 809] bei Paul. Aeg. ein Instrument, die πτερύγια im Augenwinkel aufzuschneiden.