Strong's Concordance G3

Original Word: Ἀβαδδών
Transliteration: Abaddṓn
Phonetic Spelling: ab-ad-dohn'
[Ἀβαδδών] of Hebrew origin (H11); a destroying angel

Usages throughout the bible

Revelation 9:11 - And they had a king over them, which is the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, G3 but in the Greek tongue hath his name Apollyon.