Abstract
The term umbral (threshold) denotes the bottom part or sill, normally of stone, lying directly below the lintel of a doorway or entrance. But it also evokes a part of a house – a sphere around the opening connecting the interior and exterior. This divergence between what is denoted and what is evoked gives rise to a reflection. Setting out from examples apparently remote from one another, we explore similarities between them: connections going beyond formal aspects and taking us both to the origin of the word and to the connotations or architectural potential of thresholds.
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