Where does “oost” come from?

oost (Old Danish) comes from Old Norse ostr, from Proto-Germanic justaz, from Proto-Indo-European yaus-, from Proto-Indo-European yew(ǝ)- — to blend, mix , knead.

Ancestry of “oost”, step by step

StepLanguageWordMeaning
1Old Norseostrcheese
2Proto-Germanicjustazcheese
3Proto-Indo-Europeanyaus-—
4Proto-Indo-Europeanyew(ǝ)-to blend, mix , knead

Words derived from “oost”

Every word from Proto-Indo-European yew(ǝ)- →Every word from Proto-Indo-European yaus- →Every word from Proto-Germanic justaz →