etude

This term is borrowed directly from French and carries a specific connotation of disciplined study. While a general exercise might be a simple repetition of a scale, an etude is a complete musical piece that integrates a specific technical challenge into a melodic structure, bridging the gap between a dry drill and a concert piece.

In a professional musical context, the word is used to distinguish between works intended solely for pedagogical purposes and those intended for performance. Some etudes, particularly those by Chopin or Liszt, have evolved into "concert etudes," which are performed for their artistic value rather than their utility as a teaching tool.