This is the 17081st most frequent Russian word.
спуска
The Russian word "спуска" means "descent" or "release" (in certain contexts).
In this context, "спуск" refers to the action or process of descending.
Он начал спуск с горы.
He started the descent from the mountain.
Here, "спускаться" indicates the act of descending or moving down.
Спускаться по лестнице может быть опасно.
Descending the stairs can be dangerous.
In this example, "спуска" specifies the activity of going down a slope.