Where does “trädmås” come from?

trädmås (Swedish) comes from Swedish träd, from Old Norse þráðr, from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

trädmås (Swedish): a Bonaparte's gull (Chroicocephalus philadelphia)

Definitions

  1. a Bonaparte's gull (Chroicocephalus philadelphia)

Ancestry of “trädmås”, step by step

trädmås traces back through two separate lines of ancestry.

via Swedish träd

StepLanguageWordMeaning
1Swedishträdtree; tree; plant reminiscent of a tree in the...
2Old Norseþráðrthread; past participle of þreyja; past...
3Proto-Germanicþrēduzthread, twisted fibre
4Proto-Indo-Europeantreh₁-tu-
5Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

via Swedish mås

StepLanguageWordMeaning
1Swedishmåsany of several species of smaller gulls
2Old Norsemási
3Proto-Germanicmaiwazgull, seagull
4Proto-Germanicmaiwijanąto shout, mew
Every word from Proto-Indo-European terh₁-Every word from Proto-Indo-European treh₁-tu-Every word from Proto-Germanic þrēduz