山やま襞ひだ

noun

mountain folds; folds of a mountain

Refers to the creases or ridges on a mountain's surface, often used in geographical or descriptive contexts.

• 遠とおくの山やま襞ひだが夕ゆう日ひに照てらされて美うつくしかった。

  The folds of the distant mountain were beautifully lit by the evening sun.

• 地ち図ずで山やま襞ひだを読よみ取とるのは難むずかしい。

  It's difficult to read the mountain folds on a map.