σφείων

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)

Source

French (Bailly abrégé)

épq. c. σφέων, v. σφε-.

Russian (Dvoretsky)

σφείων: эп. gen. к σφεῖς.

Dutch (Woordenboekgrieks.nl)

σφείων gen. van σφεῖς.