ayollo.

Headword: 
ayollo.
Principal English Translation: 

unrefined, rude (see Molina); ignorant, useless, brutish, without talent (see Siméon)

Orthographic Variants: 
ayullo
Alonso de Molina: 

ayullo. rudo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 4r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in Spanish: 

ayollo o ayullo adj. Ignorante, inhábil, bruto, sin talento
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana (1977), 19.

themes: 
Behavior, Personality