Principal English Translation:
a fly (the insect); this is also a personal name (in the Matrícula de Huexotzinco)
Digital Florentine Codex/Códice Florentino Digital, edited by Kim N. Richter and Alicia Maria Houtrouw, "Book 11: Earthly Things", fol. 107v, Getty Research Institute, 2023. https://florentinecodex.getty.edu/en/book/11/folio/107v/images/17fbb9c9-... Accessed 10 November 2025. Also on folio 107v there are images and descriptions of the miccazayolin, which has an association with corpses, and the xopan zayolin, a summertime fly. On folio 108r-v there is a cuitlazayolin, which has an association with excrement. (SW
Attestations from sources in English:
IDIEZ def. náhuatl:
ce piltecuanitzin cuecuetztzin; tlahuel fieroh huan tecualania pampa campa moquetza caquizti huan patlani chicahuac; iixnezca yayahuic. “Noma quemman quihuatza nacatl quiontlachilia ahachica pampa quiconana zayolin huan axquinequi ma quitlatemili.”
IDIEZ def. español:
un animalito chiquito que es muy feo y molesta porque donde se para se escucha y vuela rápido, el color es negro. “mi mama cuando acarrea carne lo mira cada ratito porque se mosquea y no quiere que dejen sus huevos.”