The story
From Anglo-Norman emprouwement. By surface analysis, improve + -ment.
Etymology from Wiktionary, CC BY-SA 4.0.
improvement
im·prove·mentToday it means: The act of improving; advancement or growth; a bettering Full definition →
Today it means: The act of improving; advancement or growth; a bettering Full definition →
From Anglo-Norman emprouwement. By surface analysis, improve + -ment.
Etymology from Wiktionary, CC BY-SA 4.0.