The story
Derived from the neighbouring village of Sunninghill in the 19th century, by substituting dale for hill.
Etymology from Wiktionary, CC BY-SA 4.0.
Sunningdale
Today it means: A large village and civil parish in Windsor and Maidenhead borough, Berkshire, England, which was also partly in Surrey until 1995 (OS grid ref SU9567). Full definition →