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
Ancestry of “Drehtür”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | drehen | to turn, revolve, rotate, roll; to shoot; to veer |
| 2 | Middle High German | dræjen | — |
| 3 | Old High German | drāen | to turn; to twist; turn |
| 4 | Proto-West Germanic | þrāan | to twist |
| 5 | Proto-Germanic | þrēaną | to twist, to turn |
| 6 | Proto-Indo-European | terh₁- | to rub, turn; to drill, pierce |