切きり開ひらき

noun

clearing (land); excavating

Refers to the act or process of clearing land, such as forests or ground, or excavating earth, often for construction or cultivation.

• 山やまの切きり開ひらきが始はじまった。

  The clearing of the mountain has begun.

• この土と地ちの切きり開ひらきには重じゅう機きが必ひつ要ようだ。

  Heavy machinery is needed for the excavation of this land.