Where does “赤外線天文学” come from?
赤外線天文学 (Japanese) comes from Japanese 天文学, from Japanese 天文, from Old Japanese てんもん, from Middle Chinese てんもん.
赤外線天文学 (Japanese): infrared astronomy
Ancestry of “赤外線天文学”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Japanese | 天文学 | astronomy |
| 2 | Japanese | 天文 | astronomy |
| 3 | Old Japanese | てんもん | — |
| 4 | Middle Chinese | てんもん | — |