In Spanish literature, especially the works of Cervantes, the legendary sword of the knight Roland, known for its invincibility and magical properties.
From Spanish durindana, which may be derived from medieval Spanish/Basque words suggesting an exceptionally hard or durable blade. The sword became famous through Spanish literature and folklore.
Durindana appears in Don Quixote where the obsessed knight confuses legend with reality—the sword becomes a symbol of how stories about powerful weapons can overwhelm our sense of what's actually real.
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