-cuitlapan.

Headword: 
-cuitlapan.
Principal English Translation: 

behind someone (a necessarily bound locative; see Karttunen)

IPAspelling: 
-kwitɬɑpɑn
Frances Karttunen: 

-CUITLAPAN necessarily bound locative behind someone / a las espaldas (C), mi trasera, y tras de mí, a mis espaldas ( C for first pers. sg. possessor ) See CUITL(A)-TL, -PAN.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 73.