Shampoo
SHAMPOO, a word now principally used as a hair-dresser's term for washing the head and hair with soap and water or some special preparation. It is properly the Hindustani word (champna, to thrust, press ; imperative champo) for the kneading and rubbing of the body, etc., which is one of the principal features of the various forms of hot bath as practised in the East.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)