Where does “*scūm” come from?

*scūm (Old Dutch) comes from Frankish skūm, from Proto-Germanic skūmaz, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

Ancestry of “*scūm”, step by step

StepLanguageWordMeaning
1Frankishskūmfoam; froth, foam
2Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
3Proto-Indo-European(s)kewH-to cover, bedeck; cover

Words derived from “*scūm”

Every word from Proto-Indo-European (s)kewH- →Every word from Proto-Germanic skūmaz →Every word from Frankish skūm →
*scūm — Etymology, Origin & Word History | Etymology Explorer