Where does “schūm” come from?

schūm (Middle High German) comes from Old High German scūm, from Proto-West Germanic skūm, from Proto-Germanic skūmaz, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

Ancestry of “schūm”, step by step

StepLanguageWordMeaning
1Old High Germanscūm—
2Proto-West Germanicskūmfroth, foam
3Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
4Proto-Indo-European(s)kewH-to cover, bedeck; cover

Words derived from “schūm”

Every word from Proto-Indo-European (s)kewH- →Every word from Proto-Germanic skūmaz →Every word from Proto-West Germanic skūm →