Where does “Strahlentherapie” come from?

Strahlentherapie (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.

Strahlentherapie (German): radiotherapy

Definitions

  1. radiotherapy

Ancestry of “Strahlentherapie”, step by step

Strahlentherapie 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 Therapie

StepLanguageWordMeaning
1GermanTherapietherapy
2Ancient Greekθεραπείαa waiting on service; medical treatment
3Ancient Greekθεραπεύωto wait on, attend, serve; to obey; to flatter,...
4Ancient Greek-εύωAdded to the stems of agent or other nouns in...
5Ancient Greek-εύςAdded to noun or adjective stems to form a...
Every word from Proto-Indo-European ster-