the act of leaving something undone out of carelessness or negligence (see Molina)
Orthographic Variants:
tlaxiccaualiztli
Alonso de Molina:
tlaxiccaualiztli. el acto de dexar de hazer algo por descuido y negligencia. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 145v. col. 2. Thanks to Joe Campbell for providing the transcription.