ἀμπυκτήρ
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)
ῆρος, ὁ,
A horse's bridle, A.Th.461.
German (Pape)
[Seite 129] ῆρος, ὁ, Pferdezaum, Aesch. Spt. 443, nach dem Schol. eigtl. nur das Stirnblatt an demselben, κορυφιστῆρες, προμετωπίδια