Where does “seabeard” come from?

seabeard (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;...

seabeard (English): A green seaweed growing in dense tufts

Definitions

  1. A green seaweed growing in dense tufts

Ancestry of “seabeard”, step by step

seabeard 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 beard

StepLanguageWordMeaning
1EnglishbeardFacial hair on the chin, cheeks, jaw and neck;...
2Middle Englishberdbeard
3Old Englishbeardbeard
4Proto-West Germanicbardbeard
5Proto-Germanicbardazbeard
6Proto-Indo-Europeanbʰardʰéh₂beard
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną