![](https://sciencepress.mnhn.fr/sites/default/files/periodiques/visuels/grand/az2017_visuel-grand.jpg)
In this article, I will attempt to show how the different meanings of the nahuatl word nahualli - animal companion spirit and ritual specialist - join together to form a symbolic system around the idea of envelope or disguise.
Nahualli, Nahuatl, Nahuas, Aztecs, transformation, double animal.