verdad de perogrullo

== Spanish == === Alternative forms === verdad de Perogrullo, verdad de Pero Grullo === Etymology === From a medieval folkloric character named Pedro Grullo, also written as Pedrogrullo, Pero Grullo or Perogrullo. The exact origin of the character is unknown. === Noun === verdad de perogrullo f (plural verdades de perogrullo) truism ==== Related terms ====