chiyahua.

Headword: 
chiyahua.
Principal English Translation: 

to stain one's clothing with fat or grease

Orthographic Variants: 
chiyaua, chiahua
Alonso de Molina: 

chiyaua. ni. (pret. onichiyauac.) mancharse o henchirse de grassa.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 20v. col. 2. Thanks to Joe Campbell for providing the transcription.