Where does “Neufrankreich” come from?

Neufrankreich (German) comes from German Frankreich, from German reich, from Middle High German rīche, from Old High German rīhhi, from Proto-West Germanic rīkī, from Proto-Germanic rīkijaz, from Proto-Germanic rīks, from Proto-Celtic rīxs — to straighten, to right oneself; right; just.

Ancestry of “Neufrankreich”, step by step

Neufrankreich traces back through two separate lines of ancestry.

via German Frankreich

StepLanguageWordMeaning
1GermanFrankreichFrance
2Germanreichrich; singular imperative of reichen
3Middle High Germanrīcherich
4Old High Germanrīhhirich, mighty; power, might, empire; realm
5Proto-West Germanicrīkīmighty, powerful; rich; kingdom, realm
6Proto-Germanicrīkijazkingly, royal, noble; mighty, powerful; rich
7Proto-Germanicrīksking, ruler
8Proto-Celticrīxsking
9Proto-Indo-Europeanh₃rḗǵsking, ruler
10Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via German neu

StepLanguageWordMeaning
1Germanneunew; modern, recent, latest
2Middle High Germanniuwenew
3Old High Germanniuwinew; newness
4Proto-West Germanicniwinew
5Proto-Germanic*niwjaz
6Proto-Indo-EuropeannéwyosAlternative form of *néwos; new
7Proto-Indo-Europeannéwosnew
8Proto-Indo-Europeannew-new; to nod, assent to
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Celtic rīxs