Where does “ресничест червей” come from?

ресничест червей (Bulgarian) comes from Bulgarian че́рвей, from Proto-Slavic čьrvьjь, from Proto-Slavic čьrvь, from Proto-Balto-Slavic kírmis, from Proto-Indo-European kʷŕ̥mis — worm.

ресничест червей (Bulgarian): turbellarian class of non-parasitic flatworms

Definitions

  1. turbellarian class of non-parasitic flatworms

Ancestry of “ресничест червей”, step by step

ресничест червей traces back through two separate lines of ancestry.

via Bulgarian че́рвей

StepLanguageWordMeaning
1Bulgarianче́рвейworm bilateral [[protostome
2Proto-Slavicčьrvьjь
3Proto-Slavicčьrvьworm, larva
4Proto-Balto-Slavickírmisworm
5Proto-Indo-Europeankʷŕ̥misworm

via Bulgarian ресни́чест

StepLanguageWordMeaning
1Bulgarianресни́чест
Every word from Proto-Indo-European kʷŕ̥misEvery word from Proto-Balto-Slavic kírmisEvery word from Proto-Slavic čьrvь