Threshold
Originated in the middle ages when houses with stone floors were covered with threshings (left overs from grain milling) to keep the floor warm and to prevent it from being slippery. As threshings were added during the winter, they would be scattered and thinned near the door, so people added a wooden board to hold the threshings in — a threshold. The word later became synonymous with any entrance to a room.
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suchsmallhands reblogged this from octopuspatronus and added:
I like this: keeping the warm inside is precisely what thresholds are supposed to do.
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octopuspatronus reblogged this from fuckyeahetymology
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fuckyeahetymology posted this