効 こう noun (common) (futsuumeishi) Also 効: いさお Isao 効こう Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) efficacy;benefit;efficiency;effect;result;success 漢字 kanji used 効 merit, efficacy 8画
効こう Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) efficacy;benefit;efficiency;effect;result;success