Where does “knölsvan” come from?

knölsvan (Swedish) comes from Swedish svan, from Old Norse svanr, from Proto-Germanic swanaz, from Proto-Indo-European swenh₂- — to sound.

knölsvan (Swedish): mute swan, Cygnus olor

Definitions

  1. mute swan, Cygnus olor

Ancestry of “knölsvan”, step by step

knölsvan traces back through two separate lines of ancestry.

via Swedish svan

StepLanguageWordMeaning
1Swedishsvanswan
2Old Norsesvanrswan
3Proto-Germanicswanazswan
4Proto-Indo-Europeanswenh₂-to sound

via Dutch knol

StepLanguageWordMeaning
1Dutchknoltuber; bulge, protrusion; nag, inferior horse
2Old Englishcnollsummit
3Proto-Germanicknudan-—
Every word from Proto-Indo-European swenh₂- →
knölsvan — Etymology, Origin & Word History | Etymology Explorer