Where does “foldon” come from?

foldon (English) comes from English on, from Middle English on, from Old English on, from Proto-West Germanic ana, from Proto-Germanic *an, from Proto-Germanic ana, from Proto-Indo-European h₂en- — on, onto.

foldon (English): A part of a protein that folds and unfolds as a unit

Definitions

  1. A part of a protein that folds and unfolds as a unit

Ancestry of “foldon”, step by step

foldon traces back through two separate lines of ancestry.

via English on

StepLanguageWordMeaning
1EnglishonIn the state of being active, functioning or...
2Middle Englishonon, in; on; Alternative form of oon
3Old Englishonon, in, at, among; from
4Proto-West Germanicanaon
5Proto-Germanic*an
6Proto-Germanicanaon, at; on, onto; ana
7Proto-Indo-Europeanh₂en-on, onto

via English fold

StepLanguageWordMeaning
1EnglishfoldTo bend over so that it comes in contact with...
2Middle EnglishfoldA pen, enclosure, or shelter for domesticated animals
3Old Englishfald
4Proto-Germanicfaludazan enclosed space, enclosure
Every word from Proto-Indo-European h₂en-
foldon — Etymology, Origin & Word History | Etymology Explorer