polish, study of, sharpen
けん
Chinese reading
と(ぐ)
Japanese reading
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The kanji 研 means "polish, study of, sharpen" and is part of the JLPT N4 curriculum. This character is essential for Japanese learners to master. Use the interactive stroke order diagram above to learn the correct writing sequence and practice until you can write it from memory.
研 has multiple readings depending on context: