achihualiztli.

Headword: 
achihualiztli.
Principal English Translation: 

something illicit that should not be done (see Molina)

Orthographic Variants: 
achiualiztli
IPAspelling: 
ɑhtʃiːwɑlistɬi
Alonso de Molina: 

achiualiztli. cosa ilicita que no se deue hazer.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 2r. col. 2. Thanks to Joe Campbell for providing the transcription.