Where does “breakopen” come from?

breakopen (English) comes from English open, from Middle English open, from Old English open, from Proto-West Germanic *opan, from Proto-Germanic upanaz, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

breakopen (English): In electric arc testing, a material response...

Definitions

  1. In electric arc testing, a material response...

Ancestry of “breakopen”, step by step

breakopen traces back through two separate lines of ancestry.

via English open

StepLanguageWordMeaning
1EnglishopenNot closed; Not physically drawn together,...
2Middle Englishopenopen
3Old Englishopenopen
4Proto-West Germanic*opanopen
5Proto-Germanicupanazopen
6Proto-Indo-Europeanupóunder, below
7Proto-Indo-Europeanh₃ewp-—

via English break

StepLanguageWordMeaning
1EnglishbreakTo separate into two or more pieces, to fracture...
2Middle Englishbrekento break
3Old Englishbrecanto break; to break into a place
4Proto-West Germanicbrekanto break
5Proto-Germanicbrekanąto break
6Proto-Indo-Europeanbʰrēǵ-to shine, shimmer
Every word from Proto-Indo-European h₃ewp- →