The story
Perhaps the valley of the people associated with Rōta (a male personal name, probably the leader of a band of invading Saxons). The first recorded mention is Rotingeden, in the Domesday Book.
Etymology from Wiktionary, CC BY-SA 4.0.
Rottingdean
Today it means: A village in the city of Brighton and Hove, East Sussex, England (OS grid ref TQ3702). Full definition →