Where does “回転扉” come from?
回転扉 (Japanese) comes from Japanese 扉, from Japanese 戸, from Middle Chinese 戶.
Ancestry of “回転扉”, step by step
回転扉 traces back through two separate lines of ancestry.
via Japanese 扉
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Japanese | 扉 | a door |
| 2 | Japanese | 戸 | door; a plate placed on doorway; houses;... |
| 3 | Middle Chinese | 戶 | — |
via Japanese 回転
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Japanese | 回転 | rotation; revolution; to rotate, spin |