a wall of three (adobe?) bricks (see Molina)
yepantitiuh xamixcaltepantli. pared de tres ladrillos. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 35v. col. 2. Thanks to Joe Campbell for providing the transcription.