skivvy

Concise Oxford English Dictionary © 2008 Oxford University Press:
skivvy/ˈskɪvi/

▶noun (pl. skivvies)

• 1 Brit. informal a low-ranking female domestic servant.

  ■ a person doing menial work.

• 2 US & Austral. a lightweight high-necked long-sleeved garment.

  ■ a T-shirt.

• 3 (skivvies) N. Amer. underwear of vest and underpants.

▶verb (skivvies, skivvying, skivvied) Brit. informal do menial household tasks.

– origin early 20th cent.: of unknown origin.