Where does “червоточина” come from?

червоточина (Russian) comes from Russian точи́ть, from Proto-Slavic točiti, from Proto-Slavic tekti, from Proto-Balto-Slavic tektej, from Proto-Indo-European tekʷ- — to run, to flow.

червоточина (Russian): wormhole

Definitions

  1. wormhole

Ancestry of “червоточина”, step by step

червоточина traces back through two separate lines of ancestry.

via Russian точи́ть

StepLanguageWordMeaning
1Russianточи́тьto shed; sharpen; to wear away
2Proto-Slavictočitito cause to flow, run
3Proto-Slavictektito run, to flow
4Proto-Balto-Slavictektej
5Proto-Indo-Europeantekʷ-to run, to flow

via Russian червь

StepLanguageWordMeaning
1Russianчервьworm; caterpillar, maggot, helminth, grub, larva;...
2Proto-Slavicčьrvьworm, larva
3Proto-Balto-Slavickírmisworm
4Proto-Indo-Europeankʷŕ̥misworm
Every word from Proto-Indo-European tekʷ-Every word from Proto-Balto-Slavic tektejEvery word from Proto-Slavic tekti