nacaocuil.

Headword: 
nacaocuil.
Principal English Translation: 

maggot or cataract of the eye (see Karttunen)

IPAspelling: 
nɑkɑokwil
Frances Karttunen: 

NACAOCUIL-IN pl -TIN maggot or cataract of the eye / gusano de carne dañada (M), catarata (T) [(1)Tp.166]. See NAC(A)-TL, OCUIL-IN.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 155.