the fall or tumble of someone who falls (see Molina)
IPAspelling:
nemimilolistɬi
Alonso de Molina:
nemimiloliztli. rebuelco del que se rebuelca. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 67v. col. 1. Thanks to Joe Campbell for providing the transcription.