the noise of those who gossip or murmur (see Molina) (an onomatopoetic word)
IPAspelling:
tʃɑtʃɑlɑkistɬi
Alonso de Molina:
chachalaquiztli. ruido delos queparlan omurmuran. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 18v. col. 2. Thanks to Joe Campbell for providing the transcription.