to repair a piece of clothing or a shoe (transitive verb)
IPAspelling:
tʃihtʃi
Alonso de Molina:
chichi. nitla. (pret. onitlachichic.) remendar vestidura o zapato. &c Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 19v. col. 1. Thanks to Joe Campbell for providing the transcription.