Where does “Itävalta-Unkari” come from?

Itävalta-Unkari (Finnish) comes from Finnish Itävalta, from German Österreich, from Middle High German Osteriche, from Old High German Ostarrîchi, from Old High German rīhhi, from Proto-West Germanic rīkī, from Proto-Germanic rīkijaz, from Proto-Germanic rīks — to straighten, to right oneself; right; just.

Ancestry of “Itävalta-Unkari”, step by step

Itävalta-Unkari traces back through two separate lines of ancestry.

via Finnish Itävalta

StepLanguageWordMeaning
1FinnishItävalta
2GermanÖsterreichAustria; eastern empire
3Middle High GermanOsteriche
4Old High GermanOstarrîchi
5Old High Germanrīhhirich, mighty; power, might, empire; realm
6Proto-West Germanicrīkīmighty, powerful; rich; kingdom, realm
7Proto-Germanicrīkijazkingly, royal, noble; mighty, powerful; rich
8Proto-Germanicrīksking, ruler
9Proto-Celticrīxsking
10Proto-Indo-Europeanh₃rḗǵsking, ruler
11Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Finnish unkari

StepLanguageWordMeaning
1FinnishunkariHungarian language
2GermanUngarn

Words derived from “Itävalta-Unkari

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