Cộng hoà Dân chủ Đức (Vietnamese) comes from Vietnamese Đức, from Chinese 德, from Mandarin 德意志, from German Deutsch, from Old High German diutsch, from Old High German diutisc, from Proto-West Germanic þiudisk, from Proto-Germanic þiudiskaz — to swell; to crowd; to be strong.
Ancestry of “Cộng hoà Dân chủ Đức”, step by step
Cộng hoà Dân chủ Đức traces back through 3 separate lines of ancestry.