"Proto-Brythonic" meaning in English

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  "etymology_text": "From proto- + Brythonic.",
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        "Hypothetical ancestor language of all Brythonic languages, including Welsh."
      ],
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          "Brythonic",
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      "related": [
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          "word": "The category of Proto-Brythonic on Wiktionary"
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      "synonyms": [
        {
          "word": "Common Brittonic"
        },
        {
          "word": "British"
        },
        {
          "word": "Late British"
        },
        {
          "word": "Neo-Brittonic"
        }
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "hypothetical ancestor language",
          "word": "proto-brittanique"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "hypothetical ancestor language",
          "tags": [
            "Brazil",
            "masculine"
          ],
          "word": "protobritônico"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "hypothetical ancestor language",
          "tags": [
            "Portugal",
            "masculine"
          ],
          "word": "protobritónico"
        }
      ],
      "wikipedia": [
        "Proto-Brythonic language"
      ]
    }
  ],
  "word": "Proto-Brythonic"
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  "etymology_text": "From proto- + Brythonic.",
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  "synonyms": [
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    {
      "word": "British"
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    {
      "word": "Late British"
    },
    {
      "word": "Neo-Brittonic"
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  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "hypothetical ancestor language",
      "word": "proto-brittanique"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "hypothetical ancestor language",
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        "Brazil",
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      "word": "protobritônico"
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      "sense": "hypothetical ancestor language",
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    }
  ],
  "word": "Proto-Brythonic"
}