Where does “seamouse” come from?

seamouse (English) comes from English sea, from Middle English see, from Old English sǣ, 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;...

seamouse (English): Polychaete worm of genus Aphrodita, especially (Aphrodita aculeata), found in the North Atlantic and in European seas

Definitions

  1. Polychaete worm of genus Aphrodita, especially (Aphrodita aculeata), found in the North Atlantic and in European seas

Ancestry of “seamouse”, step by step

seamouse traces back through two separate lines of ancestry.

via English sea

StepLanguageWordMeaning
1EnglishseaA large body of salt water; A lake, especially if...
2Middle Englishseesea, ocean; A body of water, a lake; seat, chair
3Old Englishsea, lake
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 English Mouse

StepLanguageWordMeaning
1EnglishMouseThe Walt Disney Company
2Germanmausmouse (animal)
3Middle High Germanmūsmouse
4Old High Germanmūsmouse
5Proto-West Germanicmūsmouse
6Proto-Germanicmūsmouse
7Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną