Where does “Türöffnung” come from?

Türöffnung (German) comes from German Öffnung, from Middle High German offenunge, from Old High German offanunga, from Old High German offanōn, from Proto-Germanic upanōną, from Proto-Germanic upanaz, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Türöffnung (German): doorway passage to another room or space, often without a typical door

Definitions

  1. doorway passage to another room or space, often without a typical door

Ancestry of “Türöffnung”, step by step

Türöffnung traces back through two separate lines of ancestry.

via German Öffnung

StepLanguageWordMeaning
1GermanÖffnungopening; orifice
2Middle High Germanoffenunge—
3Old High Germanoffanungarevelation; sign
4Old High Germanoffanōn—
5Proto-Germanicupanōnąto open; to lift
6Proto-Germanicupanazopen
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-—

via German tür

StepLanguageWordMeaning
1Germantürdoor rigid plane on a hinge
2Old High Germanturidoor
3Proto-West Germanic*durdoor, hatch, flap
4Proto-Germanic*durz—
5Proto-Indo-Europeandʰwṓrdoor
6Proto-Indo-Europeandʰwer-door
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Germanic upanaz →