tlazollalli.

Headword: 
tlazollalli.
Principal English Translation: 

humus (a type of soil)

[Source: 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: 
tlaçollalli
Attestations from sources in English: 

“...tlaçollali (humus) (Sahagún, 1963, p. 251)....” (p. 54)
Barbara J. Williams, "Pictorial Representation of Soils in the Valley of Mexico: Evidence from the Codex Vergara," Geoscience and Man 21 (1980), 51–62.