Where does “open” come from?

Open comes from Middle English openen, from Old English open, from Proto-Germanic upanōną, ultimately from Proto-Indo-European upo combined with the suffix -eh₂.

open (English): Not closed; Not physically drawn together,...

Definitions

  1. Not closed; Not physically drawn together,...

Ancestry of “open”, step by step

StepLanguageWordMeaning
1Middle Englishopenopen
2Old Englishopenopen
3Proto-West Germanic*opanopen
4Proto-Germanicupanazopen
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-—

Words derived from “open”

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Germanic upanaz →