A proper name, typically a Slavic name (Polish or Czech) that can refer to various people with that surname.
From Slavic roots, possibly derived from an Old Slavic personal name, though the exact etymology is uncertain. It's a common surname in Poland and Czech Republic.
Radek is one of those surnames that tells you someone's likely from Central Europe, and if you trace European surnames backward, you often find they came from professions (Smith, Miller) or father's names (Johnson, O'Brien), but Slavic names often have mysterious roots lost to time.
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