禁煙補助薬 きんえんほじょやく Meanings Noun quit-smoking drug; smoking-cessation aid; stop-smoking medication Kanji 禁 forbid. Read as キン. 煙 smoke. Read as エン. 補 supplement 助 help. Read as ジョ. 薬 drug. Read as ヤク. Jinuma: Japanese Dictionary · Word lists