The story
- Proto-Indo-European*dʰewbʰ-
- Proto-Indo-European*dʰu-m-bʰ-os?
- Proto-Indo-European*dʰewh₂-
- Proto-Indo-European*dʰuh₂-m-bʰ-os?
- Proto-Slavic*dǫbъ
- Old East Slavicдубъ (dubŭ)
- Old East Slavicдубьнъ (dubĭnŭ)
- RussianДубна́ (Dubná)
- English todayDubna
Transliteration of Russian Дубна́ (Dubná).
Etymology from Wiktionary, CC BY-SA 4.0.