Where does “snösparv” come from?

snösparv (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,...

snösparv (Swedish): snow bunting, (Plectrophenax nivalis)

Definitions

  1. snow bunting, (Plectrophenax nivalis)

Ancestry of “snösparv”, step by step

snösparv 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 snö

StepLanguageWordMeaning
1Swedishsnösnow; frozen, crystalline water falling as...
2Old Swedishsniōr
3Old Norsesnærsnow
4Proto-Germanicsnaiwazsnow
5Proto-Indo-Europeansnóygʷʰossnow
6Proto-Indo-Europeansneygʷʰ-to snow
Every word from Proto-Indo-European er-Every word from Proto-Germanic arôEvery word from Proto-Germanic sparwaraz