one who talks a lot (see Molina), or perhaps one who sees to tributes or labor arrangements?
Orthographic Variants:
tequitlahtoani
Alonso de Molina:
tequitlatoani. parlon desta manera. &c. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 105v. col. 1. Thanks to Joe Campbell for providing the transcription.