noun
coulrophobia; fear of clowns
A specific phobia; used in psychological or medical contexts. The term is a direct compound of 道化 (clown) and 恐怖症 (phobia).
彼は道化恐怖症で、サーカスに行けない。
He has coulrophobia and cannot go to the circus.
Compound of 道化 (どうけ, clown) and 恐怖症 (きょうふしょう, phobia). The exact origin is uncertain, but it follows the standard pattern for naming specific phobias in Japanese.