Where does “кръгъл червей” come from?

кръгъл червей (Bulgarian) comes from Bulgarian кръ́гъл, from Proto-Slavic krǫglъ, from Proto-Slavic krǫgъ, from Proto-Indo-European krongʰ-o-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

кръгъл червей (Bulgarian): roundworm phylum

Definitions

  1. roundworm phylum

Ancestry of “кръгъл червей”, step by step

кръгъл червей traces back through two separate lines of ancestry.

via Bulgarian кръ́гъл

StepLanguageWordMeaning
1Bulgarianкръ́гълround, circular
2Proto-Slavickrǫglъround
3Proto-Slavickrǫgъcircle
4Proto-Indo-Europeankrongʰ-o-—
5Proto-Indo-European(s)ker-to cut off; to turn, bend
6Proto-Indo-Europeansek-to cut, cut off, sever

via Bulgarian че́рвей

StepLanguageWordMeaning
1Bulgarianче́рвейworm bilateral [[protostome
2Proto-Slavicčьrvьjь—
3Proto-Slavicčьrvьworm, larva
4Proto-Balto-Slavickírmisworm
5Proto-Indo-Europeankʷŕ̥misworm
Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Indo-European krongʰ-o- →
кръгъл червей — Etymology, Origin & Word History | Etymology Explorer