Where does “Rasierschaum” come from?

Rasierschaum (German) comes from German rasieren, from French raser, from Old French raser, from Vulgar Latin raso, from Latin rāsus, from Latin rādō, from Proto-Italic razdō, from Proto-Indo-European rh₁d-dʰ- — to scrape, scratch, gnaw.

Rasierschaum (German): shaving cream, shaving foam

Definitions

  1. shaving cream, shaving foam

Ancestry of “Rasierschaum”, step by step

Rasierschaum traces back through two separate lines of ancestry.

via German rasieren

StepLanguageWordMeaning
1Germanrasierento shave
2Frenchraserto shave; to brush, lightly touch; to raze
3Old Frenchraserto shave
4Vulgar Latinrasodative masculine singular of rāsus; dative neuter...
5Latinrāsusscraped, shaved
6Latinrādōto scrape, shave, scratch
7Proto-Italicrazdō—
8Proto-Indo-Europeanrh₁d-dʰ-—
9Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

via German Schaum

StepLanguageWordMeaning
1GermanSchaumfoam, lather, froth
2Middle High Germanschūm—
3Old High Germanscūm—
4Proto-West Germanicskūmfroth, foam
5Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
6Proto-Indo-European(s)kewH-to cover, bedeck; cover
Every word from Proto-Indo-European reh₁d- →Every word from Proto-Indo-European rh₁d-dʰ- →Every word from Proto-Italic razdō →