# 研 polish, sharpen

石 (rock) + (open)
★★☆☆☆
9 strokes

## Onyomi

KEN |

## Mnemonic

| KENNY polished his rock with an open hand (holding a chemise cloth)

## Kunyomi

と*ぐ | to grind or hone - usually a knife. But sometimes you can hone a skill, just like in English. ★☆☆☆☆

## Jukugo

研究(けんきゅう) | research ★★★☆☆ 研 (polish, sharpen) + 究 (research) = 研究 (research)
研修(けんしゅう) | study, training ☆☆☆☆☆ 研 (polish, sharpen) + 修 (master a skill) = 研修 (study, training )

## Synonyms

training 練習 訓練 研修