tetelli.

Headword: 
tetelli.
Principal English Translation: 

mound; or, a pyramid (Quauhtinchan, s. XVI)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 213.

Attestations from sources in English: 

A glyph in the Codex Mendoza illuminates the meaning of tetelli as a stepped structure and therefore what Europeans called pyramids:
https://aztecglyphs.wired-humanities.org/content/cuauhtetelco

themes: 
Architecture, Construction, Buildings