"Middle Breton" meaning in English

{
  "head_templates": [
    {
      "args": {
        "head": "Middle Breton"
      },
      "expansion": "Middle Breton",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Languages",
          "orig": "en:Languages",
          "parents": [
            "Language",
            "Names",
            "Communication",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
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          "source": "w"
        }
      ],
      "glosses": [
        "Extinct European language of the Brittonic subgroup of families, spoken in Brittany, in the actual Western part of France between the 11th and the 16th century AD."
      ],
      "id": "en-Middle_Breton-en-name-U4oLNJV0",
      "links": [
        [
          "Extinct",
          "extinct"
        ],
        [
          "Brittonic",
          "Brittonic"
        ]
      ],
      "related": [
        {
          "word": "Breton"
        },
        {
          "word": "Old Breton"
        }
      ],
      "translations": [
        {
          "code": "br",
          "lang": "Breton",
          "sense": "Extinct Brittonic language",
          "tags": [
            "masculine"
          ],
          "word": "krennvrezhoneg"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Extinct Brittonic language",
          "tags": [
            "masculine"
          ],
          "word": "breton moyen"
        }
      ]
    }
  ],
  "word": "Middle Breton"
}

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    {
      "args": {
        "head": "Middle Breton"
      },
      "expansion": "Middle Breton",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Breton"
    },
    {
      "word": "Old Breton"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Languages"
      ],
      "glosses": [
        "Extinct European language of the Brittonic subgroup of families, spoken in Brittany, in the actual Western part of France between the 11th and the 16th century AD."
      ],
      "links": [
        [
          "Extinct",
          "extinct"
        ],
        [
          "Brittonic",
          "Brittonic"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "br",
      "lang": "Breton",
      "sense": "Extinct Brittonic language",
      "tags": [
        "masculine"
      ],
      "word": "krennvrezhoneg"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Extinct Brittonic language",
      "tags": [
        "masculine"
      ],
      "word": "breton moyen"
    }
  ],
  "word": "Middle Breton"
}