tonatiuhyo.

Headword: 
tonatiuhyo.
Principal English Translation: 

something solar (see Molina)

Orthographic Variants: 
tonatiuhio
Alonso de Molina: 

tonatiuhyo. cosa solar.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 149v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

tonatiuhyo tilmahtli = the cape with the sun design; the cape with the blue-red sun design
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), 206.

themes: 
Celestial Phenomena