Where does “дъждовен червей” come from?

дъждовен 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.

дъждовен червей (Bulgarian): rainworm, earthworm type of [[oligochaete}}

Definitions

  1. rainworm, earthworm type of [[oligochaete}}

Ancestry of “дъждовен червей”, step by step

дъждовен 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 дъждо́вен

StepLanguageWordMeaning
1Bulgarianдъждо́венrainy, pluvial pertaining to rain
2Bulgarianдъждrain, shower
3Proto-Slavicdъždžьrain
4Proto-Indo-Europeandus-dyu-bad sky
Every word from Proto-Indo-European kʷŕ̥mis →Every word from Proto-Balto-Slavic kírmis →Every word from Proto-Slavic čьrvь →