χρηστομαθέω
From LSJ
καὶ κεραμεὺς κεραμεῖ κοτέει καὶ τέκτονι τέκτων, καὶ πτωχὸς πτωχῷ φθονέει καὶ ἀοιδὸς ἀοιδῷ → and potter is ill-disposed to potter, and carpenter to carpenter, and the beggar is envious of the beggar, the singer of the singer
English (LSJ)
A to be desirous of learning, Longin.2.3.
German (Pape)
[Seite 1376] lernbegierig, wißbegierig sein, Longin. 2, 8.