Where does “Hintertür” come from?

Hintertür (German) comes from German Tür, from Old High German turi, from Proto-West Germanic *dur, from Proto-Germanic *durz, from Proto-Indo-European dʰwṓr, from Proto-Indo-European dʰwer- — door.

Hintertür (German): back door

Definitions

  1. back door

Ancestry of “Hintertür”, step by step

StepLanguageWordMeaning
1GermanTürdoor; door; doorway
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 dʰwer- →Every word from Proto-Indo-European dʰwṓr →Every word from Proto-Germanic *durz →