You searched for: “cleithrophobia
cleistophobia, cleithrophobia (s) (nouns; cleistophobias, cleithrophobias (pl)
An intensive fear of being in closed places or of being locked in some small space: There are some cleistophobias who can't tolerate being in a car, in a train, in a street car, or in a room in which they can't open a window or where the door is closed.
clithrophobia, cleithrophobia, cleisiophobia (s) (noun); clithrophobias, cleithrophobias, cleisiophobias (pl)
A morbid fear of being enclosed or of closed areas; such as, a form of claustrophobia: The psychiatrist has several patients who are suffering with clithrophobias.