tlecalli.

Headword: 
tlecalli.
Principal English Translation: 

a chimney or a smoke vent (see Molina and Karttunen)

IPAspelling: 
tɬekɑlli
Alonso de Molina: 

tlecalli. chimenea, o humero.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 147r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TLECAL-LI chimney, smoke vent, inferno / chimenea o humero (M), infierno (T) [(1)Bf.7r, (1)Tp.239]. See TLE-TL, CAL-LI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 307.

Attestations from sources in English: 

tlecalli = smoke hole; tlecalco = smoke hole; itlecallo, in tonacaio = the smoke hole of our body; tlecallotl = smoke hole (speaking of the ear) (in discussions about the human nose) (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 10 -- The People, No. 14, Part 11, 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), 104, 113.