Where does “onderzees” come from?

onderzees (Dutch) comes 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-, from Proto-Indo-European sey- — to be wet; dribble; run; to stretch one's arm;...

onderzees (Dutch): submarine, undersea

Definitions

  1. submarine, undersea

Ancestry of “onderzees”, step by step

onderzees traces back through two separate lines of ancestry.

via Dutch zee

StepLanguageWordMeaning
1Dutchzeesea
2Middle Dutchsêesea
3Old Dutchsēosea
4Proto-West Germanicsaiwisea
5Proto-Germanicsaiwizsea, ocean
6Proto-Germanicsīhwanąto filter
7Proto-Indo-Europeanseykʷ-to moisten; to filter
8Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...

via Dutch onder

StepLanguageWordMeaning
1Dutchonderunder, downwards; under; under, below, beneath,...
2Middle Dutchonder—
3Old Dutchunderunder
4Old Saxonundarunder
5Proto-Germanicunderamong, between; under, beneath; under
6Proto-Indo-Europeanh₁entérbetween
7Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European sey- →Every word from Proto-Indo-European seykʷ- →Every word from Proto-Germanic sīhwaną →