Where does “大洋州” come from?

大洋州 (Japanese) comes from Japanese 大, from Old Japanese 大, from Proto-Japonic əpə — big, large; many.

Ancestry of “大洋州”, step by step

大洋州 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesebig, large; the large part of; arch-
2Old Japanesebig, large; large
3Proto-Japonicəpəbig, large; many

via Japanese

StepLanguageWordMeaning
1Japanesestate; province of Canada; canton of Switzerland
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesean ocean; the East or "especially" the West;...
2Middle Chinese
Every word from Proto-Japonic əpəEvery word from Old Japanese Every word from Japanese