Where does “underwise” come from?

underwise (English) comes from English wise, from Middle English wys, from Old English wīs, from Proto-Germanic wīsaz, from Proto-Indo-European weydstos, from Proto-Indo-European weyd- — to see.

underwise (English): On or to the bottom or underside of; beneath;...

Definitions

  1. On or to the bottom or underside of; beneath;...

Ancestry of “underwise”, step by step

underwise traces back through two separate lines of ancestry.

via English wise

StepLanguageWordMeaning
1EnglishwiseShowing good judgement or the benefit of...
2Middle Englishwyswise, thoughtful, proper; knowledgeable; alert,...
3Old Englishwīswise
4Proto-Germanicwīsazwise, knowledgeable
5Proto-Indo-Europeanweydstosknowledgeable
6Proto-Indo-Europeanweyd-to see

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 weyd- →Every word from Proto-Indo-European weydstos →Every word from Proto-Germanic wīsaz →