tlatoponi.

Headword: 
tlatoponi.
Principal English Translation: 

for it to thunder (see Karttunen)

Orthographic Variants: 
tlatopōni
IPAspelling: 
tɬɑtopoːni
Frances Karttunen: 

TLATOPŌN(I) for it to thunder / truena (Z) [(1)Zp.216]. See TOPŌN(I).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 300.