*pajamas*

n. pl. [ Hind. pā-jāma, pāejāma, lit., leg closing. ] Originally, in India, loose drawers or trousers, such as those worn, tied about the waist, by Mohammedan men and women; by extension, a similar garment adopted among Europeans, Americans, etc., for wear in the dressing room and during sleep; also, a suit consisting of drawers and a loose upper garment for such wear. [ Also spelled pyjamas. ] [ Webster 1913 Suppl. ]