Where does “underseas” come from?

underseas (English) comes from English seas, 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- — to be wet; dribble; run; to stretch one's arm;...

underseas (English): Under the surface of the sea or ocean, underwater

Definitions

  1. Under the surface of the sea or ocean, underwater

Ancestry of “underseas”, step by step

StepLanguageWordMeaning
1Englishseasplural of sea
2EnglishseaA large body of salt water; A lake, especially if...
3Middle Englishseesea, ocean; A body of water, a lake; seat, chair
4Old Englishsea, lake
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;...
Every word from Proto-Indo-European sey-
underseas — Etymology, Origin & Word History | Etymology Explorer