tetlallancaltzacualoyan.

Headword: 
tetlallancaltzacualoyan.
Principal English Translation: 

chasm, or dungeon (see Molina)

Orthographic Variants: 
tetlallancaltzaqualoyan
Alonso de Molina: 

tetlallancaltzaqualoyan. sima, o mazmorra.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 108v. col. 1. Thanks to Joe Campbell for providing the transcription.