a metal throat ring that would be put on a slave (see Molina)
Orthographic Variants:
tepuzquauhcozcatl, tepozquauhcozcatl
Alonso de Molina:
tepuzquauhcozcatl. argolla de esclauo para la garganta. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 104r. col. 1. Thanks to Joe Campbell for providing the transcription.