Where does “земноводный” come from?

земноводный (Russian) comes from Russian во́дный, 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;...

земноводный (Russian): amphibious capable of functioning on land or in water

Definitions

  1. amphibious capable of functioning on land or in water

Ancestry of “земноводный”, step by step

земноводный traces back through two separate lines of ancestry.

via Russian во́дный

StepLanguageWordMeaning
1Russianво́дныйwater; aquatic
2Russianвода́water
3Old East Slavicводаwater
4Proto-Slavicvodàwater
5Proto-Balto-Slavicwandōwater
6Proto-Indo-Europeanwódr̥water
7Proto-Indo-Europeanwed-water
8Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via Russian земно́й

StepLanguageWordMeaning
1Russianземно́йearth; terrestrial
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Indo-European wódr̥