A rare architectural or construction term possibly referring to a joining, fitting, or assembly of pieces; used in historical building or craftsmanship contexts.
From em- (in) + piece + -ment (noun suffix), following Middle English and Old French patterns. The word suggests assembling things piece by piece.
Words ending in -ment often describe an action or result, so empiecement logically meant 'the act of piecing things together'—but it remained too specialized for wider use.
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