れんしゅうつ 練習を積む Show inflections LinksSentence search for 練習を積むSentence search for れんしゅうをつむKanji details for 練, 習 and 積Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'mu' ending1. to practice; to practise; to train; to drill; to become practiced; to become practised Discussions Log in to talk about this word.