研けん鑽さんTop 35000MeaningsNounSuru verbTransitive verb1. diligent study; devoting oneself to one's studiesOther spellings研けん鑚さん0%けんさん16%Kanji used研refine鑽make fire by rubbing sticksKanji in other spellings鑚make fire by rubbing sticksPitch accentけんさんUsed in vocabulary自じ己こ研けん鑽さんself-improvementNoun