• 練習れんしゅう — practice
• 訓練くんれん — training
• 試練しれん — trial, test
• 練成れんせい — discipline, cultivation
• 練乳れんにゅう — condensed milk
• 精練せいれん — refining, polish

練 combines the radical 糸いと for "thread" with the phonetic component 東とう. The original meaning was "to twist threads together" — and by extension, it came to mean "to knead," "refine," and eventually "train the body or mind."

毎日まいにち、練習れんしゅうすれば、上手じょうずになります。
If you practice every day, you’ll get better.

彼かれは 訓練くんれんで 体からだを鍛きたえた。
He trained his body through discipline.

🎧 Listen to レン / ねる