to strengthen or to give someone food (see Molina)
Alonso de Molina:
ihiocuitia. nite. (pret. oniteihiocuiti.) refocilar o dar de comer a otro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 36v. col. 1. Thanks to Joe Campbell for providing the transcription.