Where does “Centralasien” come from?

Centralasien (Swedish) comes from Swedish central, from Latin centrālis, from Latin centrum, from Ancient Greek κέντρον, from Proto-Hellenic *kéntron, from Proto-Indo-European *ḱéntrom — pointed tool.

Ancestry of “Centralasien”, step by step

Centralasien traces back through two separate lines of ancestry.

via Swedish central

StepLanguageWordMeaning
1Swedishcentralcentral, centralized, situated at the centre;...
2Latincentrāliscentral, in the middle
3Latincentrumcenter
4Ancient GreekκέντρονSomething with a sharp point: point, spike, spur;...
5Proto-Hellenic*kéntron
6Proto-Indo-European*ḱéntrompointed tool

via Swedish Asien

StepLanguageWordMeaning
1SwedishAsien
Every word from Proto-Indo-European *ḱéntromEvery word from Proto-Hellenic *kéntronEvery word from Ancient Greek κέντρον