Strong's #887: achlus (pronounced akh-looce')
of uncertain derivation; dimness of sight, i.e. (probably) a cataract:--mist.
Thayer's Greek Lexicon:
̓́
achlus
1) mist, dimness
Part of Speech: noun feminine
Relation: of uncertain derivation
Usage:
This word is used 2 times:
Acts 13:11: "a season. And immediately there fell on"
Acts 13:11: "a season. And immediately there fell on"