Where does “Dietschlenda” come from?

Dietschlenda (Plautdietsch) comes from Plautdietsch Dietschlaunt, from Middle Dutch dietsch, from Middle Low German düdesch, from Old Saxon thiudisk, 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.

Ancestry of “Dietschlenda”, step by step

StepLanguageWordMeaning
1PlautdietschDietschlaunt
2Middle DutchdietschGerman, Germanic, Dutch; Dutch specifically;...
3Middle Low GermandüdeschGerman, Low German, Dutch
4Old Saxonthiudiskof the people
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
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tewtéh₂Every word from Proto-Germanic þeudō