-cuatlayollo.

Headword: 
-cuatlayollo.
Principal English Translation: 

the crown of one’s head; or, the top of a tree (see Karttunen)

Orthographic Variants: 
-cuātlayōlloh
IPAspelling: 
-kwɑːtɬɑyoːlloh
Frances Karttunen: 

-CUĀTLAYŌLLOH only attested in possessed form the crown of one’s head the top of a tree / su coronilla; la punta de su cabaza, la punta del árbol (T) [(1)Tp.129]. See CUĀ(I)-TL, TLAYŌLLOH-TLI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 71.