Where does “*jwa” come from?

*jwa (Proto-Cerrado) comes from Kashubian jô, from German jo, from German Ja, from Middle High German ja, from Old High German jā, from Proto-West Germanic jā, from Proto-Germanic ja, from Proto-Indo-European yē — already.

Ancestry of “*jwa”, step by step

StepLanguageWordMeaning
1KashubianjôI
2Germanjoyes, yeah, well; expresses agreement in a...
3GermanJaa yes
4Middle High Germanja—
5Old High Germanjā—
6Proto-West Germanicjāyes; thus, so
7Proto-Germanicjayes; thus, so
8Proto-Indo-Europeanyēalready

Words derived from “*jwa”

Every word from Proto-Indo-European yē →Every word from Proto-Germanic ja →Every word from Proto-West Germanic jā →