The story
- Latin · derived fromexclūsus
- Late Latin · derived fromexclusa“extrusion, gate”
- Anglo-Norman · derived fromescluse“sluice, floodgate”
- Middle English · inherited fromsluse
- English todaysluice
From Middle English sluse, alteration of scluse, from Anglo-Norman escluse (“sluice, floodgate”), from Late Latin exclusa (“extrusion, gate”), from Latin exclūsus, form of exclūdō (“to shut out, to exclude”) (English exclude). Cognate to Dutch sluis.
Etymology from Wiktionary, CC BY-SA 4.0.