soroche

noun

1. (obsolete, uncountable)altitude sickness, mountain sickness

   “Men, horses, and mules occasionally perish under soroche while on the Andes; and yet some persons who never were 3,000 feet above the level of the ocean, or if so, have only been sitting in a balloon in a state of muscular quiescence, have ridiculed statements of facts such as those here noted.”

   “I should treat soroche on the plainest principles of hydraulics.”

   “The soroche attacks different persons in different ways.”