the act of grasping, holding, or joining something (see Molina)
IPAspelling:
tɬɑtsiːtskilistɬi
Alonso de Molina:
tlatzitzquiliztli. el acto de asir o trauar algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 143r. col. 1. Thanks to Joe Campbell for providing the transcription.