Where does “Praeger” come from?

Praeger (English) comes from German Prager, from German Prag, from Czech Praha, from Czech práh, from Old Czech práh, from Proto-Slavic porgъ, from Proto-Balto-Slavic parˀgas, from Proto-Indo-European porg-o-.

Ancestry of “Praeger”, step by step

StepLanguageWordMeaning
1GermanPragerPraguer; native or resident of Prague
2GermanPrag—
3CzechPraha—
4Czechpráhdoorstep
5Old Czechpráhthreshold
6Proto-Slavicporgъthreshold, doorstep
7Proto-Balto-Slavicparˀgas—
8Proto-Indo-Europeanporg-o-—
Every word from Proto-Indo-European porg-o- →Every word from Proto-Balto-Slavic parˀgas →Every word from Proto-Slavic porgъ →