Descent

Noun

1. An instance of descending; act of coming down.

   "We climbed the mountain with difficulty, but the descent was easier."

2. A way down.

   "We had difficulty in finding the correct descent."

3. A sloping passage or incline.

   "The descent into the cavern was wet and slippery."

4. Lineage or hereditary derivation.

   "Our guide was of Welsh descent."

5. A drop to a lower status or condition; decline. (Can we add an example for this sense?) <!--current example sounds unlikely-->

   "After that, the holiday went into a steep descent."