ETUDE
etude
(noun) a short composition for a solo instrument; intended as an exercise or to demonstrate technical virtuosity
Source: WordNet® 3.1
Etymology
Noun
etude (plural etudes)
(music) A short piece of music, designed to give a performer practice in a particular area or skill.
Synonyms
• (a song written as an exercise): study
Source: Wiktionary
E`tude", n. Etym: [F. See Study.]
1. A composition in the fine arts which is intended, or may serve,
for a study.
2. (Mus.)
Definition: A study; an exercise; a piece for practice of some special
point of technical execution.
Source: Webster’s Unabridged Dictionary 1913 Edition