ロープを下ろした。

rope

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to take down (e.g. flag); to launch (e.g. boat); to drop; to lower (e.g. ladder); to let (a person) off; to unload; to discharge; to drop off (a passenger from a vehicle); to let (a person) off; to withdraw money from an account; to wear (clothing) for the first time; to fillet (e.g. a fish)