Where does “ȝea” come from?

ȝea (Middle English) comes from Old English ġēa, from Proto-West Germanic jā, from Proto-Germanic ja, from Proto-Indo-European yē — already.

Ancestry of “ȝea”, step by step

ȝea traces back through two separate lines of ancestry.

via Old English ġēa

StepLanguageWordMeaning
1Old Englishġēayes, yea; district, region; yea, yes
2Proto-West Germanicjāyes; thus, so
3Proto-Germanicjayes; thus, so
4Proto-Indo-Europeanyēalready

via Old English iā

StepLanguageWordMeaning
1Old Englishiāyea, yes
Every word from Proto-Indo-European yē →Every word from Proto-Germanic ja →Every word from Proto-West Germanic jā →