Where does “кротовая нора” come from?

кротовая нора (Russian) comes from Russian крото́вый, from Russian крот, from Proto-Slavic krъtъ, from Proto-Slavic teťi, from Proto-Balto-Slavic tektej, from Proto-Indo-European tekʷ- — to run, to flow.

кротовая нора (Russian): mole hole; a wormhole

Definitions

  1. mole hole; a wormhole

Ancestry of “кротовая нора”, step by step

кротовая нора traces back through two separate lines of ancestry.

via Russian крото́вый

StepLanguageWordMeaning
1Russianкрото́выйmole {{i|relational}}
2Russianкротmole
3Proto-Slavickrъtъmole
4Proto-Slavicteťito flow, run
5Proto-Balto-Slavictektej—
6Proto-Indo-Europeantekʷ-to run, to flow

via Russian нора́

StepLanguageWordMeaning
1Russianнора́burrow; hole
2Proto-Slavicnoraden, lair
3Proto-Balto-Slavicnorʔ-—
Every word from Proto-Indo-European tekʷ- →Every word from Proto-Balto-Slavic tektej →Every word from Proto-Slavic teťi →