■ noun
1》 a liquid preparation for washing the hair.
↘a similar substance for cleaning a carpet, car, etc.
2》 an act of washing with ~.
■ verb ( ~s , ~ing , ~ed ) wash or clean with ~.
Origin
C18 (in the sense 'massage'): from Hindi cāṃpo! 'press!', imperative of cāṃpnā .