Where does “平成の大合併” come from?

平成の大合併 (Japanese) comes from Japanese 大, from Old Japanese 大, from Proto-Japonic əpə — big, large; many.

平成の大合併 (Japanese): A large-scale merger of municipalities in Japan between 1999 and 2010, during Heisei era

Definitions

  1. A large-scale merger of municipalities in Japan between 1999 and 2010, during Heisei era

Ancestry of “平成の大合併”, step by step

平成の大合併 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 合併

StepLanguageWordMeaning
1Japanese合併combination, fusion, merger, amalgamation, union

via Japanese 平成

StepLanguageWordMeaning
1Japanese平成the Heisei era (1989–2019)
Every word from Proto-Japonic əpəEvery word from Old Japanese Every word from Japanese
平成の大合併 — Etymology, Origin & Word History | Etymology Explorer