Teotl eco.

Headword: 
Teotl eco.
Principal English Translation: 

the name of a month of twenty days

James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 178.

Orthographic Variants: 
Teotleco