Strong's G887 · Greek

ἀχλύς

achlus · akh-looce'

of uncertain derivation; dimness of sight, i.e. (probably) a cataract

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 ** ἀχλύς , -ύος, ἡ , [in Aq.: Ez 12:7 ; Sm.: Jb 3:5 *;] a mist , esp. a dimness of the eyes: Ac 13:11 (v. Tr., Syn. , § c).† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain