What does Bythos mean?

Bythos meaning in Urban Dictionary

Bythos is the 2nd types of Neo-GUILT from video game Trauma Center beneath the Knife 2. it could only be defeated by using the laser onto it where after about five seconds, it breaks apart, allowing you to eliminate the core which can be essential to defeat it. Throughout the game you only encounter Bythos in three different missions. Bythos arises from the Greek term for level and abyss.