the liberty enjoyed by one who is free and not a slave (see Molina)
Alonso de Molina:
tlaca xoxouhcayotl. libertad del que es libre y no esclauo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 116r. col. 1. Thanks to Joe Campbell for providing the transcription.