supposedly not, or they say that it is not the case (see Molina)
Alonso de Molina:
machamo. dizque no, o dizen que no. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 50v. col. 1. Thanks to Joe Campbell for providing the transcription.