The story
- Latin · derived fromimmūrō
- Old French · derived fromenmurer
- Middle French · borrowed fromemmurer
- Middle English · inherited fromenmuren
- English todayimmure
From Middle English enmuren and Middle French emmurer, both from Old French enmurer, from Latin immūrō, from in- + mūrus (“wall”). Modern spelling is modelled after the Latin.
Etymology from Wiktionary, CC BY-SA 4.0.