embrocation
noun /ˌembrəˈkeɪʃn/
  /ˌembrəˈkeɪʃn/
[uncountable]- a liquid for rubbing on muscles to make them less painful, for example after too much exercise擦剂(用于缓解因运动量过大等造成的肌肉酸痛) 词源late Middle English: from medieval Latin embrocatio(n-), from the verb embrocare, based on Greek embrokhē ‘lotion’.