Where does “Westdeutschland” come from?

Westdeutschland (German) comes from German Deutschland, from Middle High German Diutschlant, from Middle High German diutsc, from Old High German diutisc, from Proto-West Germanic þiudisk, from Proto-Germanic þiudiskaz, from Proto-Germanic þeudō, from Proto-Indo-European tewtéh₂ — to swell; to crowd; to be strong.

Westdeutschland (German): Western Germany

Definitions

  1. Western Germany

Ancestry of “Westdeutschland”, step by step

Westdeutschland traces back through two separate lines of ancestry.

via German Deutschland

StepLanguageWordMeaning
1GermanDeutschlandGermany above all, above all in the world;...
2Middle High GermanDiutschlant
3Middle High GermandiutscGerman, Germanic
4Old High GermandiutiscAlternative form of diutisk; popular, vernacular;...
5Proto-West Germanicþiudiskof the people, popular, vernacular
6Proto-Germanicþiudiskazof the people, popular; of the tribe
7Proto-Germanicþeudōpeople, tribe
8Proto-Indo-Europeantewtéh₂people, tribe
9Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

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-
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tewtéh₂Every word from Proto-Germanic þeudō