Where does “天文学” come from?
天文学 (Japanese) comes from Japanese 天文, from Old Japanese てんもん, from Middle Chinese てんもん.
天文学 (Japanese): astronomy
Ancestry of “天文学”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Japanese | 天文 | astronomy |
| 2 | Old Japanese | てんもん | — |
| 3 | Middle Chinese | てんもん | — |