tlahuelmatli.

a measurement of field surface area; or, a type of cadaster

(Tepetlaoztoc, mid-sixteenth century)
Barbara J. Williams and H. R. Harvey, The Códice de Santa María Asunción: Facsimile and Commentary: Households and Lands in Sixteenth-Century Tepetlaoztoc (Salt Lake City: University of Utah Press, 1997), 8, 67, 113.