Where does “sapŝaŭmo” come from?

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

sapŝaŭmo (Esperanto): soap lather

Definitions

  1. soap lather

Ancestry of “sapŝaŭmo”, step by step

sapŝaŭmo traces back through two separate lines of ancestry.

via Esperanto ŝaŭmo

StepLanguageWordMeaning
1Esperantoŝaŭmofoam
2GermanSchaumfoam, lather, froth
3Middle High Germanschūm
4Old High Germanscūm
5Proto-West Germanicskūmfroth, foam
6Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
7Proto-Indo-European(s)kewH-to cover, bedeck; cover

via Esperanto sapo

StepLanguageWordMeaning
1Esperantosaposoap
2EnglishsoapA substance able to mix with both oil and water,...
3Middle EnglishsopeSoap; a cleaning agent especially if liquid
4Old Englishsāpesoap, salve
5Proto-West Germanicsaipāsoap
6Proto-Germanicsaipǭsoap
7Proto-Indo-Europeanseyb-to pour, leak, trickle; to pour out, trickle,...
Every word from Proto-Indo-European (s)kewH-Every word from Proto-Germanic skūmazEvery word from Proto-West Germanic skūm