tecololli.

Headword: 
tecololli.
Principal English Translation: 

a stone arch (see Molina), or a stone vault or bridge (see attestations); and see a Nahuatl hieroglyph in the Matrícula de Huexotzinco (1560) for the name Toltecolol, which shows a stone arch.

Alonso de Molina: 

tecololli. arco toral de piedra.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 93r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

"arc principal, voûte, pont." "sur olôlli, morph., incorp. têuc-tli." = a main arch, vault, bridge. From the olôlli morpheme, incorporating têuc-tli.
Gran Diccionario Náhuatl, citing Wimmer 2004, with a translation here to English by Stephanie Wood.

themes: 
Architecture, Construction, Buildings
See also: 
ololli.