tassets (armor to protect the upper parts of the thighs) made of linen or the like (see Molina)
Alonso de Molina:
tlacoichpazolli. taseos de lino, o cosa semejante. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 118v. col. 1. Thanks to Joe Campbell for providing the transcription.