Where does “бездонний” come from?

бездонний (Ukrainian) comes from Ukrainian дно, from Old East Slavic дъно, from Proto-Slavic dъno, from Proto-Indo-European *dʰewb-.

бездонний (Ukrainian): bottomless, fathomless

Definitions

  1. bottomless, fathomless

Ancestry of “бездонний”, step by step

StepLanguageWordMeaning
1Ukrainianдноbed of a river, bottom of a lake
2Old East Slavicдъно—
3Proto-Slavicdъnobottom
4Proto-Indo-European*dʰewb-—
Every word from Proto-Indo-European *dʰewb- →Every word from Proto-Slavic dъno →Every word from Old East Slavic дъно →