自し然ぜん分ぶん離り

noun

avulsion; natural separation of land by water

Technical legal/geographical term for the sudden removal of land by the action of water, such as a river changing course or a flood tearing away soil. Not used in everyday conversation.

• 洪こう水ずいによる自し然ぜん分ぶん離りで、川かわ沿ぞいの土と地ちの境きょう界かいが変かわった。

  Due to avulsion caused by the flood, the boundary of the land along the river changed.

• 自し然ぜん分ぶん離りは、法ほう律りつ上じょう、土と地ちの所しょ有ゆう権けんに影えい響きょうを与あたえることがある。

  Avulsion can affect land ownership under the law.