Where does “scuma” come from?

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

scuma (Interlingua): foam, scum

Definitions

  1. foam, scum

Ancestry of “scuma”, step by step

scuma traces back through 3 separate lines of ancestry.

via English scum

StepLanguageWordMeaning
1EnglishscumA layer of impurities that accumulates at the...
2Middle Englishscum
3Middle Dutchschūmefoam
4Old Dutch*scūm
5Frankishskūmfoam; froth, foam
6Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
7Proto-Indo-European(s)kewH-to cover, bedeck; cover

via Galician escuma

StepLanguageWordMeaning
1Galicianescumafoam
2Latinspūmafoam, froth, slime
3Proto-Indo-European(s)poHy-m-os
4Proto-Indo-European(s)poH(y)-foam
5Proto-Indo-Europeanspeh₁-to succeed, to prosper

via Italian schiuma

StepLanguageWordMeaning
1Italianschiumafoam; froth; third-person singular present...
2Latinschuma
3Old High Germanscūm
4Proto-West Germanicskūmfroth, foam
Every word from Proto-Indo-European (s)kewH-Every word from Proto-Germanic skūmazEvery word from Frankish skūm