Where does “dʰubno-” come from?

dʰubno- (Proto-Indo-European) comes from Proto-Indo-European dʰewb- — deep, hollow; depths, hollow, deep, bottom.

Ancestry of “dʰubno-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandʰewb-deep, hollow; depths, hollow, deep, bottom
Every word from Proto-Indo-European dʰewb-
dʰubno- — Etymology, Origin & Word History | Etymology Explorer