Where does “рентгенодиагностика” come from?

рентгенодиагностика (Russian) comes from Russian диагно́стика, from Ancient Greek διαγνωστικός, from Ancient Greek διάγνωσις, from Ancient Greek διαγιγνώσκω, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

рентгенодиагностика (Russian): radiodiagnosis

Definitions

  1. radiodiagnosis

Ancestry of “рентгенодиагностика”, step by step

рентгенодиагностика traces back through two separate lines of ancestry.

via Russian диагно́стика

StepLanguageWordMeaning
1Russianдиагно́стикаdiagnostics, diagnosis
2Ancient Greekδιαγνωστικόςable to distinguish
3Ancient Greekδιάγνωσιςdistinguishing
4Ancient Greekδιαγιγνώσκωto discern; distinguish, discern
5Ancient Greekδῐᾰ-apart; through, across; through; in different...
6Ancient Greekδιάthroughout
7Proto-Indo-Europeandwístwice, doubly; in two
8Proto-Indo-Europeandwóh₁two

via Russian рентге́н

StepLanguageWordMeaning
1Russianрентге́нX-ray
2Germanröntgento X-ray
3GermanRöntgenröntgen, X-ray
Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís