tlantzoponia.

Headword: 
tlantzoponia.
Principal English Translation: 

to hiss, to make a sound with one’s tongue against the back of (see Karttunen)

Orthographic Variants: 
tlantzopōniā
IPAspelling: 
tɬɑntsopoːniɑː
Frances Karttunen: 

TLANTZOPŌNIĀ vrefl to hiss, to make a sound with one’s tongue against the back of one’s teeth / truena la boca (dice Tz. Tz.) (T) [(3)Tp.160]. See TLAN-TLI, TZOPŌNIĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 286.