Where does “Wadden Sea” come from?

Wadden Sea (English) comes from Dutch Waddenzee, from Dutch zee, from Middle Dutch sêe, from Old Dutch sēo, from Proto-West Germanic saiwi, from Proto-Germanic saiwiz, from Proto-Germanic sīhwaną, from Proto-Indo-European seykʷ- — to be wet; dribble; run; to stretch one's arm;...

Wadden Sea (English): A shallow and narrow sea peripheral to the North Sea, situated between the Frisian Islands and the mainland coasts of Denmark, Germany and the Netherlands

Definitions

  1. A shallow and narrow sea peripheral to the North Sea, situated between the Frisian Islands and the mainland coasts of Denmark, Germany and the Netherlands

Ancestry of “Wadden Sea”, step by step

StepLanguageWordMeaning
1DutchWaddenzeethe Wadden Sea: a marginal sea stretching from the northern Netherlands to southwestern Denmark
2Dutchzeesea
3Middle Dutchsêesea
4Old Dutchsēosea
5Proto-West Germanicsaiwisea
6Proto-Germanicsaiwizsea, ocean
7Proto-Germanicsīhwanąto filter
8Proto-Indo-Europeanseykʷ-to moisten; to filter
9Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną