from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A short skirt, often consisting of many layers of gathered sheer fabric, worn by ballerinas.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A ballet skirt made of layered stiff but light netting.
French, perhaps alteration of cucu, baby-talk reduplication of cul, buttocks; see culotte.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French tutu, an alteration of cucu, which is itself a reduplicated form of cul ("butt, bum, arse"). (Wiktionary)