bu·to or bu·toh 
(btō)
(btō)n.
A dance form developed in postwar Japan which rejects Eastern and Western dance conventions, expressing intense emotions through slow, controlled, and sometimes distorted movements.
[Japanese butō, short for (ankoku) butō, dance (of darkness) : bu, dance (from Middle Chinese ᶹuə̆´) + tō, to step on, stamp, tread (from Middle Chinese dap), probably also influenced by tō, to stamp on, tread (from Middle Chinese *tɦaw).]