that act of providing shade for another person (see Molina)
IPAspelling:
tɬɑjehkɑlwiːlistɬi
Alonso de Molina:
tlayecalhuiliztli. el acto de hazer sombra a otro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 121r. col. 1. Thanks to Joe Campbell for providing the transcription.