G4656–σκοτόω–skotoō

being darkened in their understanding, alienated from the life of God, because of the ignorance that is in them, because of the hardening of their heart;

ἐσκοτωμένοι eskotōmenoi “darkened”

And he opened the pit of the abyss; and there went up a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.

ἐσκοτώθη eskotōthē “was darkened”

And the fifth poured out his bowl upon the throne of the beast; and his kingdom was darkened; and they gnawed their tongues for pain,

ἐσκοτωμένη, eskotōmenē “darkened,”