Where does “Friedrichshain” come from?

Friedrichshain (German) comes from German Friedrich, from Old High German Fridurih, from Proto-West Germanic Friþurīk, from Proto-Germanic Friþurīks, from Proto-Germanic rīks, from Proto-Celtic rīxs, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

Ancestry of “Friedrichshain”, step by step

Friedrichshain traces back through two separate lines of ancestry.

via German Friedrich

StepLanguageWordMeaning
1GermanFriedrichFrederick
2Old High GermanFridurih
3Proto-West GermanicFriþurīkA male given name
4Proto-GermanicFriþurīkspeaceful ruler; peace king, peaceful ruler; prace...
5Proto-Germanicrīksking, ruler
6Proto-Celticrīxsking
7Proto-Indo-Europeanh₃rḗǵsking, ruler
8Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via German Hain

StepLanguageWordMeaning
1GermanHaingrove; woods; small forest

Words derived from “Friedrichshain

Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Celtic rīxs