Where does “dvärgrördrom” come from?

dvärgrördrom (Swedish) comes from Swedish rördrom, from Swedish dröm, from Old Norse draumr, from Proto-Germanic draumaz, from Proto-Germanic draugmaz, from Proto-Indo-European dʰrowgʰ-mos, from Proto-Indo-European dʰrewgʰ-, from Proto-Indo-European dʰer- — to support; to hold.

dvärgrördrom (Swedish): any species in Ixobrychus, especially little bittern (Ixobrychus minutus)

Definitions

  1. any species in Ixobrychus, especially little bittern (Ixobrychus minutus)

Ancestry of “dvärgrördrom”, step by step

dvärgrördrom traces back through two separate lines of ancestry.

via Swedish rördrom

StepLanguageWordMeaning
1Swedishrördrombittern, especially Eurasian bittern (Botaurus stellaris)
2Swedishdrömdream; Imaginary events seen in the mind while...
3Old Norsedraumrdream
4Proto-Germanicdraumazdream
5Proto-Germanicdraugmaz
6Proto-Indo-Europeandʰrowgʰ-mos
7Proto-Indo-Europeandʰrewgʰ-to deceive, to mislead; to serve one's tribe;...
8Proto-Indo-Europeandʰer-to support; to hold

via Swedish dvärg

StepLanguageWordMeaning
1Swedishdvärgmidget, dwarf
2Old Swedishdværgherdwarf
3Old Norsedvergra dwarf; a short support pillar; a brooch, stud,...
4Proto-Germanicdwergazdwarf
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰrewgʰ-Every word from Proto-Indo-European dʰrowgʰ-mos