The word "etude" is a noun that comes from French, meaning "study." In English, it usually refers to a short piece of music designed to help musicians practice and improve their skills on an instrument. "Etudes" are often written for solo instruments, like the piano or violin, and can be quite challenging, showcasing the player's technical abilities.
In more advanced discussions, "etude" can refer to compositions that go beyond mere exercises. Some etudes are performed in concerts because they are also artistic works, not just technical studies.
While "etude" primarily refers to a musical composition, in a broader sense, it can also refer to any exercise or study in other fields, like literature or painting, although this usage is less common.
There are no specific idioms or phrasal verbs that directly use "etude," but you might encounter phrases like "work on an etude" or "perform an etude," which are straightforward and indicate the action of practicing or showcasing the piece.