The story
- Middle English · inherited fromimproprelich
- English todayimproperly
From Middle English improprelich, impropreliche, impropurly, inproperlye; equivalent to improper + -ly or im- + properly.
Etymology from Wiktionary, CC BY-SA 4.0.
improperly
Today it means: In an improper manner; not properly. Full definition →
Middle English improprelich