to outfit oneself with a tump line (for carrying loads) (see Molina)
IPAspelling:
mekɑpɑlwiɑ
Alonso de Molina:
mecapalhuia. nino. (pret. oninomecapalhui) proueerse de mecapal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 55r. col. 1. Thanks to Joe Campbell for providing the transcription.