Where does “scure” come from?

scure (Middle English) comes from Middle English scour, from Old Norse skúr, from Middle Low German schūr, from Proto-Germanic skūrō, from Proto-Indo-European (s)ḱēwer- — north; north wind; cold wind; rain shower.

Ancestry of “scure”, step by step

StepLanguageWordMeaning
1Middle Englishscourattack, conflict; pang of emotional suffering
2Old Norseskúrshower
3Middle Low Germanschūr—
4Proto-Germanicskūrōstorm; short shower; shelter, shack
5Proto-Indo-European(s)ḱēwer-north; north wind; cold wind; rain shower
Every word from Proto-Indo-European (s)ḱēwer- →Every word from Proto-Germanic skūrō →Every word from Middle Low German schūr →