Etymology

nine-dash line

Today it means: A set of line segments on various maps that have accompanied the claims of the People's Republic of China and the Republic of China to various contested areas in the South China Sea. Full definition →

Chinese 九段線 /九段线
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The story

  1. Chinese · calque of九段線 /九段线
  2. English todaynine-dash line

Calque of Chinese 九段線 /九段线 (Jiǔduànxiàn).

Etymology from Wiktionary, CC BY-SA 4.0.