G2217 — zophos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
zophos — pronounced dzof'-os
akin to the base of 3509; gloom (as shrouding like a cloud):--blackness, darkness, mist. see GREEK for 3509
4 occurrences in the KJV.
2 Peter 2:4
For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgment;
2 Peter 2:17
These are wells without water, clouds that are carried with a tempest; to whom the mist of darkness is reserved for ever.
Jude 1:6
And the angels which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day.
Jude 1:13
Raging waves of the sea, foaming out their own shame; wandering stars, to whom is reserved the blackness of darkness for ever.