the amount of folding of something, or the act of bending something or folding something (See Molina)
Alonso de Molina:
tlachittololiztli. doblegadura de algo, o el acto de entortar o doblegar algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 117v. col. 1. Thanks to Joe Campbell for providing the transcription.