山やま津つ波なみ

noun

landslide; mountain tsunami

A vivid term for a large-scale landslide, often used in disaster contexts. Literally means 'mountain tsunami', evoking the destructive force of a wave of earth and rock.

• 大おお雨あめで山やま津つ波なみが発はっ生せいし、村むらが孤こ立りつした。

  A landslide occurred due to heavy rain, isolating the village.