Where does “svarthuvad trut” come from?

svarthuvad trut (Swedish) comes from Swedish svarthuvad, from Swedish svart, from Old Swedish svarter, from Old Norse svartr, from Proto-Germanic swartaz, from Proto-Indo-European swordo- — dirty, dark, black.

svarthuvad trut (Swedish): a Pallas's gull (Ichthyaetus ichthyaetus)

Definitions

  1. a Pallas's gull (Ichthyaetus ichthyaetus)

Ancestry of “svarthuvad trut”, step by step

svarthuvad trut traces back through two separate lines of ancestry.

via Swedish svarthuvad

StepLanguageWordMeaning
1Swedishsvarthuvadhaving a (partially or full) black head
2Swedishsvartblack; illegal; in avoidance of taxes
3Old Swedishsvarterblack
4Old Norsesvartrblack
5Proto-Germanicswartazblack
6Proto-Indo-Europeanswordo-dirty, dark, black

via Swedish trut

StepLanguageWordMeaning
1SwedishtrutAny of several species of large gulls; mouth
2Old Swedishthrutin—
3Old Norseþrútna—
Every word from Proto-Indo-European swordo- →Every word from Proto-Germanic swartaz →Every word from Old Norse svartr →