tlalzolli.

Headword: 
tlalzolli.
Principal English Translation: 

worn-out soil (see Sahagún)
Barbara J. Williams, "Pictorial Representation of Soils in the Valley of Mexico: Evidence from the Codex Vergara," Geoscience and Man 21 (1980), 51–62; see p. 54.

Orthographic Variants: 
tlalçolli
Attestations from sources in English: 

tlalçolli = worn-out tepetate
Barbara J. Williams, "Mexico: Aztec Soil Classification and Land Tenure," Actes de XLIIe Congrès International des Américanistes, 9 (Paris: Société des Américanistes, 1980), pp. 165–175. See p. 168.