tlatzoyonilli.

Headword: 
tlatzoyonilli.
IPAspelling: 
tɬɑtsoyoːniːlli
Alonso de Molina: 

tlatzoyonilli. cosa frita.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 143r. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TLATZOYŌNĪL-LI something fried / cosa frita (M) [(2)Zp.61,217]. Z also has a short form TLATZOYŌN. Both attestations mark the vowel of the second syllable long, but it should not be. See TZOYŌNIĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 302.