To close something by bringing parts together or moving into a closed position. Can be used literally for doors/windows or figuratively for ending activities.
From Old English 'scyttan' meaning 'to bolt, bar' related to 'shoot'. Cognate with Dutch 'schutten' and German 'schützen' (to protect). The meaning evolved from 'to secure against entry' to the general sense of closing.
The word 'shut' is delightfully onomatopoeic - its abrupt consonant ending mirrors the sharp, definitive sound of something closing quickly. Unlike 'close,' which can be gradual, 'shut' implies finality and often force, which is why we 'slam shut' but rarely 'slam close.'
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