tzotzopoca.

Headword: 
tzotzopoca.
Principal English Translation: 

to bubble during fermentation (see Karttunen)

IPAspelling: 
tsotsopokɑ
Frances Karttunen: 

TZOTZOPOCA to bubble during fermentation / levanta burbujas cuando fermenta (T) [(1)Tp.244]. Z has CHOCHOPOCA with the sense of ‘to boil furiously.’ See CHOCHOPOCA.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 320.