ἐπίπερκνος
From LSJ
Δύο γὰρ, ἐπιστήμη τε καὶ δόξα, ὧν τὸ μὲν ἐπίστασθαι ποιέει, τὸ δὲ ἀγνοεῖν → Two different things are science and belief: the one brings knowledge, the other ignorance
English (LSJ)
ον,
A somewhat dark, of grapes ripening: hence, of the colour of certain hares, X. Cyn.5.22, Poll.5.67.
Greek (Liddell-Scott)
ἐπίπερκνος: -ον, κἄπως μέλας, ἐπὶ σταφυλῶν ὡριμαζουσῶν· ἐντεῦθεν ἐπὶ τοῦ χρώματος λαγωῶν τινων, Ξεν. Κυν. 5, 22 (ὑποδεέστερα ἀντίγραφα ἔχουσιν ἐπίπερκος), Πολυδ. Ε΄, 67.