πεντάγραμμον
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 pentagram <*> formed by Pythagoreans, Luc.Laps.5; cf. πένταλφα.