Translation guide
An etude is a musical composition designed to practice a specific technique. In Japanese, it is most commonly referred to as エチュード, a loanword from French, or 練習曲 (れんしゅうきょく), the native term.
A short musical composition, typically for a solo instrument, intended to develop a particular technical skill.
The most common term in modern Japanese, borrowed from French. Used widely in music education and performance contexts.
ショパンのエチュードは難しい。
Chopin's etudes are difficult.
ピアノのエチュードを練習している。
I'm practicing a piano etude.
The native Japanese term, literally 'practice piece'. Slightly more formal or traditional, but still common.
この練習曲は指の訓練に良い。
This etude is good for finger training.