Etymology

From 暗黒舞踏 ‎(あんこくぶとう, ankoku butō, “dark dance”) = 暗黒 ‎(あんこく, ankoku, “dark, darkness”) + 舞踏 ‎(ぶとう, butō, “dance”), from 暗黒舞踊 ‎(あんこくぶよう, ankoku buyō, “darkness dance”), by replacing 舞踊 ‎(ぶよう, buyō, “(classical Japanese) dance”) with the archaic 舞踏 ‎(ぶとう, butō, “dance”).^[1]