Where does “unopen” come from?

unopen (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-.

unopen (English): Not open; closed

Definitions

  1. Not open; closed

Ancestry of “unopen”, step by step

unopen 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 un

StepLanguageWordMeaning
1EnglishunOne

Words derived from “unopen

Every word from Proto-Indo-European h₃ewp-