cuicaitoa.

Headword: 
cuicaitoa.
Principal English Translation: 

to begin or raise a song (see Molina); to give the pitch for the song (see Sahagún)

IPAspelling: 
kwiːkɑihtoɑ
Alonso de Molina: 

cuicaitoa. ni. (pret. onicuicaito.) comenzar o leuantar canto.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 26v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

aqujn cujcaitoz = who would give the pitch (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 8 -- Kings and Lords, no. 14, Part IX, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 56.