Where does “sävsparv” come from?

sävsparv (Swedish) comes from Swedish sparv, from Old Swedish sparver, from Middle English sperver, from Old French esprevier, from Old Dutch *sparwari, from Proto-Germanic sparwaraz, from Proto-Germanic arô, from Proto-Indo-European er- — eagle, bird; loose, light, rare, sparse; to fail,...

sävsparv (Swedish): reed bunting, (Emberiza schoeniclus)

Definitions

  1. reed bunting, (Emberiza schoeniclus)

Ancestry of “sävsparv”, step by step

sävsparv traces back through two separate lines of ancestry.

via Swedish sparv

StepLanguageWordMeaning
1Swedishsparva sparrow; most commonly the house sparrow (gråsparv, Passer domesticus), but including various species of small birds in the families sparrows (sparvfinkar, Passeridae) and buntings (fältsparvar, Emberizidae), all in the order Passeriformes (tättingar)
2Old Swedishsparver
3Middle Englishsperversparrowhawk
4Old Frenchespreviersparrowhawk
5Old Dutch*sparwari
6Proto-Germanicsparwarazsparrow-hawk
7Proto-Germanicarôeagle
8Proto-Indo-Europeaner-eagle, bird; loose, light, rare, sparse; to fail,...

via Swedish säv

StepLanguageWordMeaning
1Swedishsävclub-rush, Schoenoplectus, especially common club-rush, lakeshore bulrush, Schoenoplectus lacustris
2Old Swedishsava
3LatinsapaA reduction of must in Ancient Roman cuisine,...
4Proto-Italicsapā
5Proto-Indo-Europeansab-juice; taste
Every word from Proto-Indo-European er-Every word from Proto-Germanic arôEvery word from Proto-Germanic sparwaraz