cho·re·a
noun/kəˈriːə/
/kəˈriːə/
[uncountable] (medical)- a condition in which parts of the body make quick sudden movements and the person affected cannot control this
舞蹈症（身体部位不自主地抽动） Word Originlate 17th cent.: via Latin from Greek khoreia ‘dancing in unison’, from khoros ‘chorus’.