Where does “scumen” come from?

scumen (Middle English) comes from Old French escumer, from Frankish skūm, from Proto-Germanic skūmaz, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

Ancestry of “scumen”, step by step

StepLanguageWordMeaning
1Old Frenchescumerto dribble
2Frankishskūmfoam; froth, foam
3Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
4Proto-Indo-European(s)kewH-to cover, bedeck; cover

Words derived from “scumen”

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