1961, from uni- "one" + ending from leotard.
word-forming element meaning "having one only," from Latin uni-, combining form of unus "one" (from PIE root *oi-no- "one, unique").
1881, leotards, named for Jules Léotard (1830-1870), popular French trapeze artist, who performed in such a garment.
updated on February 27, 2014
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