. . . "Acrophobia (from the Greek: \u1F04\u03BA\u03C1\u03BF\u03BD, \u00E1kron , meaning \"peak, summit, edge\" and \u03C6\u03CC\u03B2\u03BF\u03C2, ph\u00F3bos, \"fear\") is an extreme or irrational fear or phobia of heights, especially when one is not particularly high up. It belongs to a category of specific phobias, called space and motion discomfort, that share both similar etiology and options for treatment.Most people experience a degree of natural fear when exposed to heights, known as the fear of falling."@en .