Where does “surdeig” come from?

surdeig (Norwegian Bokmål) comes from Norwegian Bokmål deig, from Old Norse deig, from Proto-Germanic daigaz, from Proto-Indo-European *dʰóyǵʰos, from Proto-Indo-European dʰeyǵʰ- — to knead; to form, to shape.

surdeig (Norwegian Bokmål): sourdough, leaven

Definitions

  1. sourdough, leaven

Ancestry of “surdeig”, step by step

surdeig traces back through two separate lines of ancestry.

via Norwegian Bokmål deig

StepLanguageWordMeaning
1Norwegian Bokmåldeigdough
2Old Norsedeigdough
3Proto-Germanicdaigazsoft; that which is formed or kneaded; dough
4Proto-Indo-European*dʰóyǵʰossomething that is kneaded, formed
5Proto-Indo-Europeandʰeyǵʰ-to knead; to form, to shape

via Norwegian Bokmål sur

StepLanguageWordMeaning
1Norwegian Bokmålsursour; In a bad temper, sulky; acidic
2Old Norsesúrrsour
3Proto-Germanicsūrazsour, acidic
4Proto-Indo-EuropeansuHróssour, salty, bitter
Every word from Proto-Indo-European dʰeyǵʰ- →Every word from Proto-Indo-European *dʰóyǵʰos →Every word from Proto-Germanic daigaz →