miniskirt (n.)

also mini-skirt, "skirt with a hem-line well above the knee," 1965, from mini- + skirt (n.); reputedly the invention of French fashion designer André Courrèges (1923-2016).

"The miniskirt enables young ladies to run faster, and because of it, they may have to." [John V. Lindsay, New York Times, Jan. 13, 1967]

Related: Miniskirted.