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Castile - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From (possibly through a Middle French form) Spanish Castilla from Old Spanish Castiella from Medieval Latin Castella from the plural of Latin castellum (castle, fort, citadel), diminutive of castrum (fortress); supposedly derived from the many castles constructed in the region.

Castile

  1. (historical) A medieval kingdom (and previously a county) in the Iberian Peninsula.
  2. A vaguely defined region of central Spain generally corresponding to the regions of Old and New Castile.
  3. A town and village therein, in Wyoming County, New York, United States, named after Castile in Spain.

medieval Iberian kingdom

central Spain