ὀξυβόας
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)
and ὀξῠ-βόης, ου, ὁ,
A shrill-screaming, of birds, A.Ag.57 ; of men, Luc.JTr.31 ; sharp-buzzing, of mosquitoes, AP5.150 (Mel.).