ixteuhpachihui.

Headword: 
ixteuhpachihui.
Principal English Translation: 

for something to become covered or filled with powder (see Molina)

Orthographic Variants: 
ixteuhpachiui
Alonso de Molina: 

ixteuhpachiui. n. (pret. onixteuhpachiuh.) cubrirse o henchirse algo de polvo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 47v. col. 2. Thanks to Joe Campbell for providing the transcription.