Etymology

Chappaquiddick Island

Today it means: An island of Dukes County, Massachusetts, United States, east of Martha's Vineyard. Full definition →

Massachusett cheppiaquidne
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The story

  1. Massachusett · borrowed fromcheppiaquidne
  2. English todayChappaquiddick Island

From Massachusett cheppiaquidne (or tchepi-aquidenet) “separate island”, plus English island.

Etymology from Wiktionary, CC BY-SA 4.0.