You searched for: “climacophobia
climacophobia (s) (noun), climacophobias (pl)
An excessive fear of stairs, of falling down or climbing stairs, being hurt in a fall, or having anxiety about loftiness or high points: Those who suffer from climacophobia regarding heights emphasize that their visual space is important and they will not be able to go down a flight of steps if they can see an open stairwell, and they are even terrified of looking through a long window which stretches from the floor to the ceiling, but not if the window's bottom is at or above the waist level.

A person affected by climacophobia may also be afflicted with other related phobias, such as bicycles, skiing, certain amusement rides, tall buildings, and bridges.

The old man has an abnormal fear of walking down the stairs.
Word Info image © ALL rights reserved.