Strong G5083H τηρέω tēreō · to keep: guard

Jude

1. 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.
2. 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.