something entrusted, charged, promised (see Molina)
Orthographic Variants:
tetech tlacaualli
Alonso de Molina:
tetech tlacaualli. cosa encargada, encomendada o comprometida. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 106v. col. 1. Thanks to Joe Campbell for providing the transcription.