instep; scabies; or, the warp with which to make fabric (see Molina)
Alonso de Molina:
xiotl. empeyne, o sarna, o lizo para vrdir tela y texerla. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 159r. col. 2. Thanks to Joe Campbell for providing the transcription.