The story
Unknown. Possibly a corruption of the French Génie d'Anvers ("Genie of Antwerp") or Jeune d'Anvers ("Young girl from Antwerp"), Antwerp possibly being the point of origin for the craft.
Etymology from Wiktionary, CC BY-SA 4.0.
Jenny Haniver
Today it means: The carcass of a ray or skate, modified and dried to produce a mummified specimen that can be fraudulently exhibited as a demon, dragon, or other fictional creature. Full definition →