para·nymph /ˈpærəˌnɪm(p)f/
  Par·a·nymph n.
  1. Gr. Antiq. (a) A friend of the bridegroom who went with him in his chariot to fetch home the bride. --Milton. (b) The bridesmaid who conducted the bride to the bridegroom.
  2. Hence: An ally; a supporter or abettor.
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