tepozquechtli.

Headword: 
tepozquechtli.
Principal English Translation: 

literally, iron-throat; perhaps this was a necklace made of metal or a metal throat band that was put on slaves?; Molina says it was the same as the tepuzquauhcuzcatl (metal-wooden-necklace?)

Orthographic Variants: 
tepuzquechtli
Alonso de Molina: 

tepuzquechtli. lo mesmo es que tepuzquauhcuzcatl.
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.