Where does “forsärla” come from?

forsärla (Swedish) comes from Swedish fors, from Old Swedish fors, from Old Norse fors, from Proto-Germanic fursaz, from Pre-Germanic pŕ̥sos, from Proto-Indo-European pers- — to sprinkle, to spatter.

forsärla (Swedish): grey wagtail, (Motacilla cinerea)

Definitions

  1. grey wagtail, (Motacilla cinerea)

Ancestry of “forsärla”, step by step

forsärla traces back through two separate lines of ancestry.

via Swedish fors

StepLanguageWordMeaning
1Swedishforsa rapid; a waterfall
2Old Swedishforstorrent, stream; waterfall
3Old Norseforsa waterfall
4Proto-Germanicfursazwaterfall, torrent
5Pre-Germanicpŕ̥sos
6Proto-Indo-Europeanpers-to sprinkle, to spatter

via Swedish ärla

StepLanguageWordMeaning
1Swedishärlaa wagtail
2Old Norseertla
3Old Norseartaa species of teal, garganey
4Proto-Germanic*artǭwagtail
Every word from Proto-Indo-European pers-