something without measure and without weight (see Molina)
Orthographic Variants:
amo zan tatamachiuhqui, amoçan tatamachiuhqui, amo çan tatamachiuhqui
Alonso de Molina:
amozan tatamachiuhqui. cosa sin medida y sin peso. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 5r. col. 2. Thanks to Joe Campbell for providing the transcription.