βαρυμωροκάρδιος
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)
βαρυμωροκάρδιον, stubborn and foolish, Sm.Pr.14.14.
Spanish (DGE)
-ον
de pers. empecinado, terco Sm.Pr.14.14; cf. βαρυκάρδιος.