画が稿こう

noun

sketch; rough draft (of a painting)

Refers to a preliminary drawing or rough draft for a painting, not a casual doodle. Often used in artistic contexts.

• 画が家かは画が稿こうを何なん枚まいも描かいてから本ほん番ばんに取とりかかった。

  The painter drew many sketches before starting the final work.