Where does “X레이” come from?
X레이 (Korean) comes from English X-ray, from German X-Strahl, from German strahl, from Middle High German strāle, from Old High German strāla, from Proto-Germanic *strālu, from Proto-Indo-European strēl-, from Proto-Indo-European ster- — sterile, infertile.
Ancestry of “X레이”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | X-ray | Short wavelength electromagnetic radiation... |
| 2 | German | X-Strahl | X-ray |
| 3 | German | strahl | beam, ray (e.g. of light) |
| 4 | Middle High German | strāle | arrow, beam |
| 5 | Old High German | strāla | arrow, lightning bolt |
| 6 | Proto-Germanic | *strālu | — |
| 7 | Proto-Indo-European | strēl- | arrow |
| 8 | Proto-Indo-European | ster- | sterile, infertile |