復習
ふくしゅう · fukushuu · JLPT N4 · noun
review
📖🔁 復習 = return (復) + practise (習): go back and practise again
復 means to return or repeat, as in 往復 (round trip). 習 means to learn by practice, as in 練習 (practice) and 学習 (study). Together: returning to what you learned and practising it again. Fuku-shuu: go back, then drill.