Where does “mura” come from?

mura (Norwegian Nynorsk) comes from Old Norse múra, from Proto-Germanic murhǭ, from Proto-Indo-European mork- — edible herb, tuber; tuber, edible herb.

Ancestry of “mura”, step by step

StepLanguageWordMeaning
1Old Norsemúrasilvergrass, goosegrass
2Proto-Germanicmurhǭwild carrot
3Proto-Indo-Europeanmork-edible herb, tuber; tuber, edible herb
Every word from Proto-Indo-European mork- →Every word from Proto-Germanic murhǭ →Every word from Old Norse múra →