Where does “armageddon” come from?

armageddon (English) comes from English Armageddon, from Ancient Greek Ἁρμαγεδών, from Hebrew הר מגידו, from Hebrew הַר — mountain of.

armageddon (English): The scene of a decisive conflict on a great...

Definitions

Step	Language	Word	Meaning
1	English	Armageddon	the end of the world
2	Ancient Greek	Ἁρμαγεδών	—
3	Hebrew	הר מגידו	mountain of Megiddo
4	Hebrew	הַר	mountain of

armageddon — Etymology, Origin & Word History | Etymology Explorer