Where does “japansk ärla” come from?

japansk ärla (Swedish) comes from Swedish ärla, from Old Norse ertla, from Old Norse arta, from Proto-Germanic *artǭ — wagtail.

japansk ärla (Swedish): Japanese wagtail, (Motacilla clara)

Definitions

  1. Japanese wagtail, (Motacilla clara)

Ancestry of “japansk ärla”, step by step

japansk ärla traces back through two separate lines of ancestry.

via Swedish ärla

StepLanguageWordMeaning
1Swedishärlaa wagtail
2Old Norseertla—
3Old Norseartaa species of teal, garganey
4Proto-Germanic*artǭwagtail

via Swedish japansk

StepLanguageWordMeaning
1Swedishjapanskof, or belonging to Japan; Japanese
Every word from Proto-Germanic *artǭ →Every word from Old Norse arta →Every word from Old Norse ertla →