Where does “Sentral-Amerika” come from?

Sentral-Amerika (Norwegian Bokmål) comes from Norwegian Bokmål Amerika, from New Latin America, from Italian Amerigo, from Proto-Germanic *Amalarīks, from Proto-Germanic Haimarīks, from Proto-Germanic rīks, from Proto-Celtic rīxs, from Proto-Indo-European h₃rḗǵs — to straighten, to right oneself; right; just.

Ancestry of “Sentral-Amerika”, step by step

Sentral-Amerika traces back through two separate lines of ancestry.

via Norwegian Bokmål Amerika

StepLanguageWordMeaning
1Norwegian BokmålAmerikacomprising Nord-Amerika and Sør-Amerika
2New LatinAmerica
3ItalianAmerigo
4Proto-Germanic*Amalarīks
5Proto-GermanicHaimarīksHenry
6Proto-Germanicrīksking, ruler
7Proto-Celticrīxsking
8Proto-Indo-Europeanh₃rḗǵsking, ruler
9Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Norwegian Bokmål sentral

StepLanguageWordMeaning
1Norwegian Bokmålsentralcentral; a centre or center; an exchange
2Latincentrāliscentral, in the middle
3Latincentrumcenter
4Ancient GreekκέντρονSomething with a sharp point: point, spike, spur;...
5Proto-Hellenic*kéntron
6Proto-Indo-European*ḱéntrompointed tool
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Celtic rīxs