ἰλλός
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)
ὁ, (ἴλλω)
A squinting (acc. to Moer., Att. for στραβός) , ἰ. γεγενῆσθαι to get a squint, Ar.Th.846: Comp. ἰλλότερος Sophr.158, cf. Gal.17(1).680.