Principal English Translation:
something partaking of the nature of the Chichimecs (see Karttunen); also a song in the Cantares Mexicanos; and it meant
"being a Chichimec"
Justyna Olko, Turquoise Diadems and Staffs of Office: Elite Costume and Insignia of Power in Aztec and Early Colonial Mexico (Warsaw: Polish Society for Latin American Studies and Centre for Studies on the Classical Tradition, University of Warsaw, 2005), 108.
Attestations from sources in English:
long male hair was conceived as an icon of chichimecayotl
Justyna Olko, Turquoise Diadems and Staffs of Office: Elite Costume and Insignia of Power in Aztec and Early Colonial Mexico (Warsaw: Polish Society for Latin American Studies and Centre for Studies on the Classical Tradition, University of Warsaw, 2005), 108.