去きょ痰たん薬やくきょたんやくMeanings1nounexpectorantMedical term for a medicine that helps bring up phlegm from the respiratory tract.医い者しゃは咳せきを和やわらげるために去きょ痰たん薬やくを処しょ方ほうした。The doctor prescribed an expectorant to relieve the cough.