Dance, WAV, is a French term, so? Part of the strength of any language is it's ability to absorb outside influences and words. A language that doesn't grow, is dead.
ECD is danced at E-ceilidhs, is that not good enough, or do you insist that the title be changed to something which was never used.
An Englishman is not a Swede, but surely music should be played on the basis of ENJOYMENT. Waltzes have been found in the 'tradition', as have polkas and mazurkas, yet the origins of the styles aren't English.
I'm not an Englishman, I'm Israeli, so, should I not have read Wodehouse, Waugh and Saki, does it rob Biyalik of his grandeur or Altermann of his biting wit?