Where does “Schwestersprache” come from?

Schwestersprache (German) comes from German sprāche, from Middle High German sprāche, from Old High German sprāhha, from Proto-West Germanic *sprāku — speech, language.

Schwestersprache (German): sister language

Definitions

  1. sister language

Ancestry of “Schwestersprache”, step by step

Schwestersprache traces back through two separate lines of ancestry.

via German sprāche

StepLanguageWordMeaning
1Germansprāchelanguage body of words, and set of methods of combining them
2Middle High Germansprāche—
3Old High Germansprāhha—
4Proto-West Germanic*sprākuspeech, language

via German schwester

StepLanguageWordMeaning
1Germanschwestersister
2Middle High Germanswëster—
3Old High Germanswestersister
4Proto-West Germanic*swestersister
Every word from Proto-West Germanic *sprāku →
Schwestersprache — Etymology, Origin & Word History | Etymology Explorer