to give something to someone for safekeeping (see Molina)
Alonso de Molina:
pieltia. nicte. (pret. onictepielti.) dar a guardar algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 81v. col. 1. Thanks to Joe Campbell for providing the transcription.