Where does “Rothschild” come from?

Rothschild (French) comes from German Rothschild, from German schild, from Middle High German schilt, from Old High German scilt, from Proto-West Germanic skeldu, from Proto-Germanic skelduz, from Proto-Indo-European (s)keit-.

Ancestry of “Rothschild”, step by step

StepLanguageWordMeaning
1GermanRothschilda very rich person, especially one active in the...
2Germanschildsign, plate flat surface bearing information
3Middle High Germanschilt—
4Old High Germanscilt—
5Proto-West Germanicskeldushield
6Proto-Germanicskelduzshield
7Proto-Indo-European(s)keit-—
Every word from Proto-Indo-European (s)keit- →Every word from Proto-Germanic skelduz →Every word from Proto-West Germanic skeldu →