Where does “Drehtür” come from?

Drehtür (German) comes from German drehen, from Middle High German dræjen, from Old High German drāen, from Proto-West Germanic þrāan, from Proto-Germanic þrēaną, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

Drehtür (German): revolving door

Definitions

  1. revolving door

Ancestry of “Drehtür”, step by step

Drehtür traces back through two separate lines of ancestry.

via German drehen

StepLanguageWordMeaning
1Germandrehento turn, revolve, rotate, roll; to shoot; to veer
2Middle High Germandræjen—
3Old High Germandrāento turn; to twist; turn
4Proto-West Germanicþrāanto twist
5Proto-Germanicþrēanąto twist, to turn
6Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

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 terh₁- →Every word from Proto-Germanic þrēaną →Every word from Proto-West Germanic þrāan →