καταχθόνιος/katachthonios

This word describes something. It is an adjective.

This word can describe the place under the earth’s surface.
This word can describe something that is somehow like being under the earth’s surface.
- Sometimes this word is used to describe the place where dead people are.
- Sometimes this word is used to describe the place where evil beings or powers reside.

See: Philippians 2:10