Where does “Augsburgo” come from?

Augsburgo (Portuguese) comes from German Augsburg, from Latin Augusta Vindelicorum — Augusta of the Vindelici.

Ancestry of “Augsburgo”, step by step

Step	Language	Word	Meaning
1	German	Augsburg	—
2	Latin	Augusta Vindelicorum	Augusta of the Vindelici

Augsburgo — Etymology, Origin & Word History | Etymology Explorer