early 14c., "a cutting, act of shearing off," verbal noun from clip (v.1). Sense of "a small piece cut off" is from late 15c. Meaning "an article cut from a newspaper" is from 1857.
" chronic inflammatory condition of the digestive tract," 1935, for U.S. pathologist Burrill Bernard Crohn, one of the team that wrote the article describing it in 1932.
1967 in reference to a simple style of clothing popularized in the West and based on dress in Communist China, from French, from name of Mao Tse-tung (1893-1976), Chinese communist leader.