to tie the feet of another, or to hobble beasts (see Molina)
Alonso de Molina:
icxi ilpia. nite. (pret. onite icxiylpi.) atar los pies a otro, o manear bestias. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 34r. col. 1. Thanks to Joe Campbell for providing the transcription.