cecem.

Headword: 
cecem.
Principal English Translation: 

occurs with expressions of time or period (see Karttunen)

Orthographic Variants: 
cehcem
IPAspelling: 
sehsem
Frances Karttunen: 

CEHCEM Both CEHCEM and CĒCEM occur with expressions of time or period. The nasal consonant delabializes word-finally, CEHCEN. redup. CEM
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 28.