A person from Gadès or Cádiz (ancient Roman/Greek city in Spain); a native of that region.
From the ancient city name Gadès (Greek and Latin name for Cádiz) plus -an (a suffix denoting a person from a place), following the pattern of Roman geographical naming conventions.
Gadès (modern Cádiz) was one of the oldest continuously inhabited cities in Western Europe, founded by Phoenicians—so a Gaditan was someone from one of antiquity's great trading centers, making them a cosmopolitan figure in the ancient Mediterranean.
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