huapactiliztli.

Headword: 
huapactiliztli.
Principal English Translation: 

the process of becoming hard, stiff, rigid, rough, like a board or plank (see Molina)

Orthographic Variants: 
uapactiliztli
IPAspelling: 
wɑpɑktilistɬi
Alonso de Molina: 

uapactiliztli. endurecimiento tal.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 154v. col. 2. Thanks to Joe Campbell for providing the transcription.