Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G4639
σκιά
skia
{skee'-ah}
Apparently a primary word; 'shade' or a shadow (literally or figuratively [darkness of error or an adumbration]).
shadow
Matthew 4:16. Mark 4:32. Luke 1:79. Acts 5:15. Colossians 2:17. Hebrews 8:5; 10:1.