to be in mourning, to be wearing clothing to express the pain from a deceased (see Molina)
Orthographic Variants:
miccauacayotl
IPAspelling:
mikkɑːwɑhkɑːjoːtɬ
Alonso de Molina:
miccauacayotl. enlutamiento. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56r. col. 1. Thanks to Joe Campbell for providing the transcription.