Where does “Westasien” come from?

Westasien (German) comes from German West, from Middle High German west, from Old High German west, from Proto-Germanic westrą, from Proto-Germanic westraz, from Proto-Indo-European wek(ʷ)speros, from Proto-Indo-European we-.

Ancestry of “Westasien”, step by step

Westasien traces back through two separate lines of ancestry.

via German West

StepLanguageWordMeaning
1GermanWestthe west; a wind coming from the west
2Middle High Germanwestwest
3Old High Germanwestwestward
4Proto-Germanicwestrąwest; west, westward
5Proto-Germanicwestrazwest, western
6Proto-Indo-Europeanwek(ʷ)sperosevening
7Proto-Indo-Europeanwe-

via German Asien

StepLanguageWordMeaning
1GermanAsienAsia
Every word from Proto-Indo-European we-