the act of forgetting what is our own best interest (see Molina)
Orthographic Variants:
nelcaualiztli
Alonso de Molina:
nelcaualiztli. olvido de lo que conviene a mi persona. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 66v. col. 1. Thanks to Joe Campbell for providing the transcription.