for something already to be determined and definite (see Molina; translation here to English by Stephanie Wood)
Alonso de Molina:
tzontectica. (pret. otzontecticatca.) estar ya determinado y difinido el negocio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 153v. col. 1. Thanks to Joe Campbell for providing the transcription.