A person from Constantinople (modern Istanbul); an adjective describing the culture, people, or characteristics of Constantinople.
From Constantinople (founded by Constantine I in 330 CE, from Constantine + polis 'city') + -an (resident suffix). The city was called Byzantium before Constantine renamed it after himself.
Constantine essentially created a second Rome and named it after himself—Constantinople remained the center of Eastern Christianity and Byzantine culture for over 1,000 years, one of history's most consequential real estate decisions.
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