Where does “underswell” come from?

underswell (English) comes from English swell, from Middle English swellen, from Old English swellan, from Proto-West Germanic *swellan, from Proto-Germanic swellaną, from Proto-Indo-European swel- — to smolder; burn; scorch; beam, board, frame,...

underswell (English): An undercurrent; A swelling undersection

Definitions

  1. An undercurrent; A swelling undersection

Ancestry of “underswell”, step by step

underswell traces back through two separate lines of ancestry.

via English swell

StepLanguageWordMeaning
1EnglishswellTo become bigger, especially due to being...
2Middle EnglishswellenTo swell; to grow or become bigger or stronger;...
3Old Englishswellanto swell
4Proto-West Germanic*swellan
5Proto-Germanicswellanąto swell
6Proto-Indo-Europeanswel-to smolder; burn; scorch; beam, board, frame,...

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European swel-Every word from Proto-Germanic swellanąEvery word from Proto-West Germanic *swellan