It is a colloquial deformation in Ecuador of Etsa, saying Etsy, Etsie or Etsi ( to give Nessie similarity in England and Yeti in the Himalayas ). ETSA is the name of a legendary monster, also called Iwia is eating all the animals of the jungle ( Tradition indigenous Shuar ). Etsy is also a woman's name, variant of Betsy, ginger, which means " bringing joy " and it is derived from Latin.
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