Where does “gråsparv” come from?

gråsparv (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,...

gråsparv (Swedish): house sparrow, Passer domesticus

Definitions

  1. house sparrow, Passer domesticus

Ancestry of “gråsparv”, step by step

gråsparv 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 grå

StepLanguageWordMeaning
1Swedishgrågrey; boring, dull; with a boring appearance
2Old Norsegrárgrey; spiteful
3Proto-Germanicgrēwazgrey
4Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European er-Every word from Proto-Germanic arôEvery word from Proto-Germanic sparwaraz