Abbott-Smith Manual Greek Lexicon
σκότος (G4655)
31 σκότος , -ου, ὁ the more usual cl. form (cf. σ. , τό ), darkness : He 12:18 , Rec.†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G4655 · Greek
σκότος
skotos · skot'-os
from the base of 4639; shadiness, i.e. obscurity (literally or figuratively)