Abaddon

From Textus Receptus

Abaddon (Hebrew אבדון Avaddon, Greek Apollyon, Latin Exterminans, Coptic Abbaton, meaning "A place of destruction", "The Destroyer", "Depths of Hell") in the Revelation of St. John, is the King of tormenting locusts and the angel of the bottomless pit. (KJV, Rev. 9:1-11).