nacaztzatza.

Headword: 
nacaztzatza.
Principal English Translation: 

someone deaf (see Karttunen)

IPAspelling: 
nɑkɑstsɑtsɑ
Frances Karttunen: 

NACAZTZATZA someone deaf / sordo (Z) [(2)Zp.117,175]. In one attestation Z gives this with a preterit suffix, although the gloss does not suggest that it is a verb, and M's verb tzatzati 'to go deaf' is derived from the noun TZATZA. See NACAZ-TLI, TZATZA.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 156.