Vine's Expository Dictionary: View Entry
TDNT Reference: 7:423,1049
Trench's Synonyms: c. σκότος, γνόφος, ζόφος, ἀχλύς.
darkness
of night darkness
of darkened eyesight or blindness
metaph.
of ignorance respecting divine things and human duties, and the accompanying ungodliness and immorality, together with their consequent misery in hell
persons in whom darkness becomes visible and holds sway
Strong's Number G4655 matches the Greek σκότος (skotos),
which occurs 32 times in 31 verses
in the TR Greek.