tequiahuatl.

Headword: 
tequiahuatl.
Principal English Translation: 

a stone arch, the arch of a doorway; or, the entrance to a house (see Molina)

Orthographic Variants: 
tequiauatl
Alonso de Molina: 

tequiauatl. arco de piedra, de puerta, o de entrada de casa.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 105r. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

aujz nellehoatl can tequjaoatlan qujquequetza in chilҫolotl, in iztatapalcatl = And behold, somewhere at one's house entrance he offereth old chilis, salt cakes (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 7.