Is it ensure, insure, or assure?
1580s, from Spanish corral, from corro "ring," Portuguese curral, of uncertain origin. Perhaps ultimately African, or from Vulgar Latin *currale "enclosure for vehicles," from Latin currus "two-wheeled vehicle," from currere "to run."
1847, from corral (n.); meaning "to lay hold of, collar," is U.S. slang from 1860. Related: Corraled.
any temporary or permanent theatre structure established in an inn's courtyard in England or a residential courtyard in Spain. Under Elizabeth I, many plays were performed in the courtyards of London inns, with the first-recorded innyard performance in 1557. By 1576 there were five courtyard theatres in London, but they declined thereafter, since by then London had two permanent theatres