Where does “Türspalte” come from?

Türspalte (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.

Ancestry of “Türspalte”, step by step

Türspalte traces back through two separate lines of ancestry.

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

via German spalte

StepLanguageWordMeaning
1Germanspalteinflection of spalten: ## first-person singular...
2Middle High Germanspalde—
3Middle High Germanspalt—
4Old High Germanspaltcrack, fissure
Every word from Proto-Indo-European dʰwer- →Every word from Proto-Indo-European dʰwṓr →Every word from Proto-Germanic *durz →