чистопородный bedeutet auf Englisch

purebred▼(that which has genuine parents of the same breed)
adjective
[UK: ˈpjʊrˈ.bred] [US: ˈpjʊr.ˈbred]

thoroughbred▼(bred from pure stock)
adjective
[UK: ˈθʌ.rə.bred] [US: ˈθɝːo.ˈbred]