an enclosed and covered arched ceiling (see Molina)
IPAspelling:
tɬɑtetsoptɬi
Alonso de Molina:
tlatetzoptli. boueda cerrada y cubierta. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 136v. col. 1. Thanks to Joe Campbell for providing the transcription.