xocopaltic.

Headword: 
xocopaltic.
Principal English Translation: 

something sour (see Karttunen)

IPAspelling: 
ʃokopɑltik
Frances Karttunen: 

XOCOPALTIC something sour / agrio (Z) [(2)Zp.6,229]. In one of the attestations the vowel of the second syllable is marked long, and the other is not. See XOCOC.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 329.