nahuati.

Headword: 
nahuati.
Principal English Translation: 

to speak out loud, to make a clear sound

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 226.

IPAspelling: 
nɑːwɑti
Alonso de Molina: 

nauati. ni. (pret. oninauat.) hablar alto, o tener buen sonido la campana, o cosa assi.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 063v. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

NĀHUAT(I) to speak clearly, to make a clear sound, to answer or respond / hablar alto o tener buen sonido la campana o cosa así (M), responde, contesta (T) See NĀHUA-TL. NĀHUATILIĀ applic. NĀHUAT(I)
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 157.

Lockhart’s Nahuatl as Written: 

nāhuati, ni. Class 2: ōnināhuat. 226