九きゅう地ち

noun

very low land; low-lying terrain

Rare, technical term from classical Chinese military texts (e.g., Sun Tzu's Art of War) referring to low, marshy, or difficult terrain. Not used in everyday Japanese.

• 孫そん子しの兵へい法ほうでは、九きゅう地ちの一ひとつとして低てい湿しつ地ちが挙あげられている。

  In Sun Tzu's Art of War, low-lying marshland is listed as one of the nine types of terrain.