etude
/ˈɛtʊd/ ET-oo-dee
Definitions
1. noun
a short piece of music, typically for solo instrument, that is used to develop a particular technical skill or to illustrate a musical idea
“The young pianist spent hours practicing the etude to perfect her finger placement and tone.”
2. noun
a short written piece, typically in a literary or academic style, that is used to develop a particular skill or to illustrate a theoretical concept
“The professor assigned an etude on 19th-century literature to help students develop their analytical skills.”
3. noun
a detailed study or examination of something, especially a person or their behavior
“The psychologist conducted an etude on the effects of social media on teenage mental health.”