Meaning

noun a detailed critical inspection

noun applying the mind to learning and understanding a subject (especially by reading)

noun a written document describing the findings of some individual or group

originInherited from Middle English studie, from Old French estudie (Modern French étude), borrowed from Latin studium (“zeal, dedication, study”), from Proto-Indo-European *(s)tewd- (“to push, to hit”). Doublet of etude and studio.

Etymology from Wiktionary, CC BY-SA 3.0