nagual
/nəˈɡwɑːl/(also nahual, nawal)
noun
Among certain indigenous peoples of Mexico and surrounding countries: a guardian spirit in animal form, believed to accompany and guide an individual through life; an animal form believed to be assumed by a human through magical or supernatural means.
Origin
Early 19th century. From Mexican Spanish nagual, nahual sorceror, companion from Nahuatl nahualli guardian spirit residing in an animal.