St. Vitus' dance

Etymology
Because people traditionally prayed to for heavenly  to relieve the burden of the disease.

Noun

 * 1)  Any ; usually, more specifically:
 * 2) Sydenham's chorea.
 * 3) Huntington's chorea.
 * 1) Huntington's chorea.

Translations

 * Arabic: دَاء الرَقْص
 * Czech: tanec svatého Víta
 * French: danse de Saint Guy
 * German:
 * Greek: χορός του Σαν Βίτο
 * Italian: ballo di San Vito
 * Russian:
 * Swedish: danssjuka