Original: Aridoamerica Chichimeca Chichimeca was the name that the Mexica (Aztecs) generically applied to a wide range of semi-nomadic peoples who inhabited the north of modern-day Mexico, and carried the same sense as the European term "barbarian".
Simplified: Cahokia Chichimeca Chichimeca was the name that the Mexica (Aztecs) applied to a wide range of semi-nomadic peoples who inhabited the north of modern-day Mexico, and had the same sense as the European term "barbarian".