knowledge of, or a confession about, what someone did or said (see Molina)
IPAspelling:
nemɑtʃitokilistɬi
Alonso de Molina:
nemachitoquiliztli. conocimiento o confession delo que alguno dixo o hizo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 66v. col. 2. Thanks to Joe Campbell for providing the transcription.