練習
れんしゅう (する) · renshuu (suru) · JLPT N5 · noun
practice
🥋 練習 = refine (練) + learn by repetition (習)
練 means to knead or polish, as in refining silk; 習 means to learn through repeating. Together: polish a skill by doing it again and again. Sound hook: renshuu is like wrench-shoe, and you run through your drills until it fits.