1) 研鑽けんさん #22,791 Inflections of 研鑽 Class Suru verb Stem Inflected ending ✕ Link copied! けんさん [0] Meaning Shirabe Noun Suru verb Transitive verb diligent study; devoting oneself to one's studies Kanji 研 ケン polish, study of, sharpen 鑽 サン make fire by rubbing sticks Forms 研鑽#22,791研鑽けんさん研鑚#103,388研鑚けんさんけんさんけんさん
