σαξίφραγον
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
English (LSJ)
τό, A saxifrage, = κέστρον 1.2, Gal.6.339 (gender uncertain), Ps.-Dsc.4.16; σαξίφραγος, ὁ or ἡ, Ps.-Gal.19.694; cf. σαρξίφαγον.