Agur

Agur (アグー) is the ancient name of the Agudner race that had been used in pioneering days when they still had not established a race name named Agudners.

"Agudner" is a modern and official expression in Gold Ring language which is the official language of planet Tal.

If it's used in the present day, it refers to these very primitive and outdated people who do not have compatibility towards modern, civilized, and culturized lifestyle.