A reference to the Chiltern Hills, a range of chalk hills in south-central England, or specifically a historical term for the Chiltern Hundreds.
From Old English 'Cilternes,' of uncertain origin but possibly related to old tribal names or geographical features. The Chiltern Hundreds became a nominal office used as a method for MPs to resign from Parliament.
The Chiltern Hundreds is Britain's most creative parliamentary loophole—MPs can't just resign, so they apply for a 'steward' job in the Chilterns that technically disqualifies them, a tradition dating back to 1751!
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