This snug-fitting one-piece garment used by dancers was invented by & named for a French aerialist
[DOC] [TLE] Leotard - definition of leotard by The Free Dictionary [PAR] A snugly fitting, stretchable one-piece garment with or without sleeves that covers 
the torso, worn especially by dancers, gymnasts, acrobats,... ... (Clothing & 
Fashion) a tight-fitting garment covering the body from the shoulders down to the 
thighs and worn by ... [191520; after Jules Lotard, 19th-century French aerialist
].