Where does “Zentraleuropa” come from?

Zentraleuropa (German) comes from German Europa, from Middle High German Eurōpā, from Latin Eurōpa, from Ancient Greek Εὐρώπη, from Ancient Greek ὤψ, from Proto-Hellenic ókʷs, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.

Ancestry of “Zentraleuropa”, step by step

Zentraleuropa traces back through two separate lines of ancestry.

via German Europa

Step	Language	Word	Meaning
1	German	Europa	Europe
2	Middle High German	Eurōpā	—
3	Latin	Eurōpa	—
4	Ancient Greek	Εὐρώπη	Europa; Europe
5	Ancient Greek	ὤψ	to the eye; in the face; eye
6	Proto-Hellenic	ókʷs	eye
7	Proto-Indo-European	h₃ókʷs	eye
8	Proto-Indo-European	h₃ekʷ-	to see; eye

via German zentral

Step	Language	Word	Meaning
1	German	zentral	central; centrally
2	Latin	centrālis	central, in the middle
3	Latin	centrum	center
4	Ancient Greek	κέντρον	Something with a sharp point: point, spike, spur;...
5	Proto-Hellenic	*kéntron	—
6	Proto-Indo-European	*ḱéntrom	pointed tool

Words derived from “Zentraleuropa”

zentraleuropäisch

Every word from Proto-Indo-European h₃ekʷ- →Every word from Proto-Indo-European h₃ókʷs →Every word from Proto-Hellenic ókʷs →