ilpotza.

Headword: 
ilpotza.
Principal English Translation: 

to belch (see Karttunen)

Orthographic Variants: 
ilpōtza
IPAspelling: 
ilpoːtsɑ
Frances Karttunen: 

ILPŌTZ(A) vrefl to belch / eructar (X) [(3)Xp.57]. T and Z have synonymous IHPŌTZ(A) See PŌTZ(A).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 105.