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), 1.
I (first person subject prefix attached to a transitive verb that is not already compounded with a specific direct object, with the object here being "c")
the residents here; i.e. the indigenous people (see attestations)
(Cuauhtinchan, Puebla, sixteenth century) Luis Reyes García, "Ordenanzas para el gobierno de Cuauhtinchan, año de 1559," Estudios de Cultura Náhuatl 10 (1972), 312–313.