to provoke the dog to fight (see Molina)
nanauatia. nic. (pret. onicnanauati.) azomar perro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 063r. col. 1. Thanks to Joe Campbell for providing the transcription.