Zacancatl.

a personal name; there was a Zacancatl who was the lover or second husband of Cuauhcihuatzin
Dictionnaire de la langue nahuatl classique, citing W. Lehmann, 1938, 199; https://www.malinal.net/1.hist/Z.html

this could also be an ethnic affiliation, referring to a person from the pueblo or barrio of Zacanco