Where does “Röntgenstrahl” come from?

Röntgenstrahl (German) comes 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.

Röntgenstrahl (German): X-ray

Definitions

  1. X-ray

Ancestry of “Röntgenstrahl”, step by step

Röntgenstrahl traces back through two separate lines of ancestry.

via German strahl

StepLanguageWordMeaning
1Germanstrahlbeam, ray (e.g. of light)
2Middle High Germanstrālearrow, beam
3Old High Germanstrālaarrow, lightning bolt
4Proto-Germanic*strālu—
5Proto-Indo-Europeanstrēl-arrow
6Proto-Indo-Europeanster-sterile, infertile

via German röntgen

StepLanguageWordMeaning
1Germanröntgento X-ray
2GermanRöntgenröntgen, X-ray
Every word from Proto-Indo-European ster- →Every word from Proto-Indo-European strēl- →Every word from Proto-Germanic *strālu →