Where does “dur” come from?

dur (Middle High German) comes 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.

Ancestry of “dur”, step by step

StepLanguageWordMeaning
1Old High Germanturidoor
2Proto-West Germanic*durdoor, hatch, flap
3Proto-Germanic*durz
4Proto-Indo-Europeandʰwṓrdoor
5Proto-Indo-Europeandʰwer-door

Words derived from “dur

Every word from Proto-Indo-European dʰwer-Every word from Proto-Indo-European dʰwṓrEvery word from Proto-Germanic *durz