tozquitl.

Headword: 
tozquitl.
Principal English Translation: 

throat, voice, or the voice of the person who sings (see Molina and Karttunen)

Orthographic Variants: 
tuzquitl
IPAspelling: 
toskitɬ
Alonso de Molina: 

tozquitl. la boz del que canta.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 151r. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TOZQUI-TL. throat, voice / la voz del que canta (M), la voz y la garganta (C). Compounding form: TOZCA-
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 249.

Attestations from sources in English: 

tozquitl (noun) = the singing voice
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 167.

Attestations from sources in Spanish: 

çe letra yhua home tuzquime = una letra y dos voces
Fernando Horcasitas y Alfred Lemmon, "El Tratado de Santa Eulalia: un manuscrito musical náhuatl," Tlalocan 12 (1997), 84–85.