a large iron ring, buckle, collar, or staple (see Molina)
Orthographic Variants:
tepuz yaualli, tepuz yahualli, tepoz yahualli
Alonso de Molina:
tepuz yaualli. argolla oarmella de cobre o de hierro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 103v. col. 2. Thanks to Joe Campbell for providing the transcription.