Where does “полноводный” come from?

полноводный (Russian) comes from Russian вода́, from Old East Slavic вода, from Proto-Slavic vodà, from Proto-Balto-Slavic wandō, from Proto-Indo-European wódr̥, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

полноводный (Russian): wide, (full-)flowing

Definitions

  1. wide, (full-)flowing

Ancestry of “полноводный”, step by step

полноводный traces back through two separate lines of ancestry.

via Russian вода́

StepLanguageWordMeaning
1Russianвода́water
2Old East Slavicводаwater
3Proto-Slavicvodàwater
4Proto-Balto-Slavicwandōwater
5Proto-Indo-Europeanwódr̥water
6Proto-Indo-Europeanwed-water
7Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via Russian по́лный

StepLanguageWordMeaning
1Russianпо́лныйfull, complete
2Proto-Slavicpьlnъfull
3Proto-Balto-Slavicpílˀnasfull
4Proto-Indo-Europeanpl̥h₁nósfull
5Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European wey- →Every word from Proto-Indo-European wed- →Every word from Proto-Indo-European wódr̥ →