Captain William Clark was one of the most defiant, as well as most
inventive, spellers ever to attempt to use the English language. He may
be said to have invented the concept of windchill when he described a
forty-below Dakota day with the wind blowing as "Breizing."

From a review by Larry McMurty in the February 8, 2001 NYRB of The Journal
of the Lewis and Clark Expedition ed. By Gary E. Moulton.