to cover or block my own breath or respiration, or to have asthma (see Molina)
Orthographic Variants:
ihiomotzaqua
Alonso de Molina:
ihiomotzaqua. n. (pret. onihiomotzacu.) ataparseme el huelgo, o tener asma. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 36v. col. 1. Thanks to Joe Campbell for providing the transcription.