xiuhpan.

Headword: 
xiuhpan.
Principal English Translation: 

a year’s time (see Karttunen)

IPAspelling: 
ʃiwpɑn
Frances Karttunen: 

XIUHPAN a year’s time / año (T) [(1)Tp.246, (3)Xp.103,106]. See XIHU(I)-TL, PAN.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 327.