tatahuei.

Headword: 
tatahuei.
Principal English Translation: 

grandfather (See Karttunen)

Orthographic Variants: 
tātahhuēi
IPAspelling: 
tɑːtɑhweːi
Frances Karttunen: 

TĀTAHHUĒ(I) grandfather / abuelo (Z) [(2)Zp.4,214]. The more usual word for 'grandfather' is CŌL-LI. See TAH-TLI, HUĒ(I).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 215.