ye.

Headword: 
ye.
Principal English Translation: 

suppletive stem of the verb cah (to be) in various tenses

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 242.

Attestations from sources in English: 

yetiuh = goes being, or goes to be
[from ye, to be, and -tihu(i), to go to do something]
Philip P. Arnold, Eating Landscape: Aztec and European Occupation of Tlalocan (Boulder: University Press of Colorado, 2001), 130.