just things that are said that are of little merit; gossip
Orthographic Variants:
çammitoa
Alonso de Molina:
zammitoa. cosas de poco credito que se dizen por ay. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 14r. col. 1. Thanks to Joe Campbell for providing the transcription.