Where does “Offner” come from?

Offner (English) comes from German Öffner, from German öffnen, from Middle High German offenen, from Old High German offanōn, from Proto-Germanic upanōną, from Proto-Germanic upanaz, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “Offner”, step by step

StepLanguageWordMeaning
1GermanÖffneropener; switch
2Germanöffnento open; to open, get, or answer the door; to...
3Middle High Germanoffenen—
4Old High Germanoffanōn—
5Proto-Germanicupanōnąto open; to lift
6Proto-Germanicupanazopen
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Germanic upanaz →