Where does “sea hen” come from?

sea hen (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;...

sea hen (English): Any of various seabirds, especially the common...

Definitions

  1. Any of various seabirds, especially the common...

Ancestry of “sea hen”, step by step

sea hen 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 hen

StepLanguageWordMeaning
1EnglishhenA female chicken (Gallus gallus), especially a sexually mature one kept for her eggs
2Middle Englishhenhen, chicken; female bird
3Old Englishhennhen
4Proto-West Germanic*hannjuhen
5Proto-Germanichanjōhen
6Proto-Indo-Europeankeh₂n-to sing
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną