English
immurement
From immure + -ment.
A compound of immure + -ment
Proto-Indo-European *mey- ‘to fix, to build fortifications or fences’
…
Latin mūrus ‘wall’
Latin immūrō
Old French enmurer ‘to immure’
Middle English enmuren
English immure
Today it means
noun Capital punishment, human sacrifice or life imprisonment by entombing for life or sealing behind walls.
Language periods are conventional ranges, not dates for this word.
Etymograph / immurement