liniment
noun /ˈlɪnəmənt/
/ˈlɪnəmənt/
[countable, uncountable]- a liquid, especially one made with oil, that you rub on a painful part of your body to reduce the pain
（尤指油质、镇痛的）搽剂，擦剂；镇痛油 词源late Middle English: from late Latin linimentum, from Latin linire ‘to smear’.