研 — polish, study of, sharpen

Readings

On'yomi

ケン

Kun'yomi

と.ぐ

Example words

• 研究けんきゅうstudy; research; investigation
• 研修けんしゅうtraining (esp. in-service); induction course
• 研究室けんきゅうしつ(1) laboratory (2) seminar room (3) professor's office
• 研ぐとぐ(1) to sharpen; to hone; to whet; to grind (2) to wash (rice) (3) to scour; to polish; to burnish