Where does “undertwisted” come from?

undertwisted (English) comes from English under, from Middle English under, from Old English under, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

undertwisted (English): Insufficiently twisted (typically of DNA)

Definitions

  1. Insufficiently twisted (typically of DNA)

Ancestry of “undertwisted”, step by step

undertwisted traces back through two separate lines of ancestry.

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

via English twisted

StepLanguageWordMeaning
1Englishtwistedsimple past tense and past participle of twist;...
2EnglishTwistA twisting force
3Middle EnglishtwistThe flat part of a hinge (less specifically the entire hinge)
4Old Englishtwist
5Proto-Germanictwistaz
Every word from Proto-Indo-European h₁en