cldr-localenames-full/main/prg/scripts.json

Translated versions of locale display name elements: languages, scripts, territories, and variants.

{
  "main": {
    "prg": {
      "identity": {
        "language": "prg"
      },
      "localeDisplayNames": {
        "scripts": {
          "Zzzz": "niwaīstan skriptan"
        }
      }
    }
  }
}