-xiuhcayotl.

Headword: 
-xiuhcayotl.
Principal English Translation: 

a matter of a certain number of years (see Karttunen); this has to have a prefix

Orthographic Variants: 
-xiuhcayōtl
IPAspelling: 
-ʃiwkɑyoːtɬ
Frances Karttunen: 

-XIUHCAYŌ-TL necessarily prefixed with a number; a matter of a certain number of years / cosa de un año (C for cēxiuhcáyōtl) [(2)Cf.53v]. See XIHU(I)-TL. -YŌ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 327.