Where does “*ĵwa” come from?

*ĵwa (Proto-Northern Jê) comes from Proto-Cerrado *jwa, 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 — already.

Ancestry of “*ĵwa”, step by step

StepLanguageWordMeaning
1Proto-Cerrado*jwa
2KashubianI
3Germanjoyes, yeah, well; expresses agreement in a...
4GermanJaa yes
5Middle High Germanja
6Old High German
7Proto-West Germanicyes; thus, so
8Proto-Germanicjayes; thus, so
9Proto-Indo-Europeanalready

Words derived from “*ĵwa

Every word from Proto-Indo-European