Where does “Oostzeefins” come from?

Oostzeefins (Dutch) comes from Dutch Oostzee, 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;...

Oostzeefins (Dutch): Baltic-Finnic

Definitions

  1. Baltic-Finnic

Ancestry of “Oostzeefins”, step by step

Oostzeefins traces back through two separate lines of ancestry.

via Dutch Oostzee

StepLanguageWordMeaning
1DutchOostzee
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;...

via Dutch Fins

StepLanguageWordMeaning
1DutchFinsFinnish
2DutchFinFinn
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną