Where does “dubna” come from?

dubna (Proto-Balto-Slavic) comes from Proto-Indo-European dʰubʰnós, from Proto-Indo-European dʰewb- — deep, hollow; depths, hollow, deep, bottom.

Ancestry of “dubna”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandʰubʰnósdeep
2Proto-Indo-Europeandʰewb-deep, hollow; depths, hollow, deep, bottom

Words derived from “dubna”

Every word from Proto-Indo-European dʰewb- →Every word from Proto-Indo-European dʰubʰnós →