zazcemi.

Headword: 
zazcemi.
Principal English Translation: 

at one and the same time (see Karttunen)

IPAspelling: 
sɑssemi
Frances Karttunen: 

ZAZCEMI at one and the same time / de una vez (C) [(3)Cf.126r]. M has ça cemi as a phrase glossed as ‘finally, just this once, or something said upon departure.’ See ZAN, CEMI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 347.