重かさね合あわせる

ichidan verb

overlap; superimpose; lay one on top of another

Used for physically placing one thing on top of another, or for abstract overlapping such as images, schedules, or ideas.

• 透とう明めいなシートを地ち図ずに重かさね合あわせて、ルートを書かき込こんだ。

  I superimposed a transparent sheet on the map and drew the route.