床に落ちて

fall onto the floor

→ 床
phrase Rare #39,520
fall onto the floor The て-form can connect to another action. With いる, it describes something lying on the floor after falling.
JA: 床に落ちている鍵を見つけた。
EN: I found the key lying on the floor.

花瓶は床に落ちて粉々になった。

The vase fell to the floor and shattered.