cuicatlazaliztli.

Headword: 
cuicatlazaliztli.
Principal English Translation: 

the beginning or raising of a song

Alonso de Molina: 

cuicatlazaliztli. lo mesmo es que cuicaitoliztli.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 26v. col. 2. Thanks to Joe Campbell for providing the transcription.