everyone grinds; there is grinding, in general (see Molina)
Orthographic Variants:
teciua
Alonso de Molina:
teciua. todos muelen. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 92v. col. 2. Thanks to Joe Campbell for providing the transcription.