"Breteyn" meaning in Middle English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "Britain"
          },
          "expansion": "English: Britain",
          "name": "desc"
        }
      ],
      "text": "English: Britain"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "xno",
        "3": "Bretaigne"
      },
      "expansion": "Borrowed from Anglo-Norman Bretaigne",
      "name": "bor+"
    },
    {
      "args": {
        "1": "enm",
        "2": "la",
        "3": "Britannia"
      },
      "expansion": "Latin Britannia",
      "name": "der"
    },
    {
      "args": {
        "1": "ang",
        "2": "Breten"
      },
      "expansion": "Old English Breten",
      "name": "cog"
    }
  ],
  "etymology_text": "Borrowed from Anglo-Norman Bretaigne, Bretaine, from Latin Britannia; reinforced by native Old English Breten.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "proper noun"
      },
      "expansion": "Breteyn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "_dis": "67 33",
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Britain"
      ],
      "id": "en-Breteyn-enm-name-DrBFMB7z",
      "links": [
        [
          "Britain",
          "Britain"
        ]
      ]
    },
    {
      "glosses": [
        "Brittany"
      ],
      "id": "en-Breteyn-enm-name-PZPiMgEK",
      "links": [
        [
          "Brittany",
          "Brittany"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/brɛˈtæi̯n/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "Britaine"
    },
    {
      "_dis1": "0 0",
      "word": "Britane"
    },
    {
      "_dis1": "0 0",
      "word": "Britayne"
    }
  ],
  "word": "Breteyn"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English proper nouns",
    "Middle English terms borrowed from Anglo-Norman",
    "Middle English terms derived from Anglo-Norman",
    "Middle English terms derived from Latin",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "Britain"
          },
          "expansion": "English: Britain",
          "name": "desc"
        }
      ],
      "text": "English: Britain"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "xno",
        "3": "Bretaigne"
      },
      "expansion": "Borrowed from Anglo-Norman Bretaigne",
      "name": "bor+"
    },
    {
      "args": {
        "1": "enm",
        "2": "la",
        "3": "Britannia"
      },
      "expansion": "Latin Britannia",
      "name": "der"
    },
    {
      "args": {
        "1": "ang",
        "2": "Breten"
      },
      "expansion": "Old English Breten",
      "name": "cog"
    }
  ],
  "etymology_text": "Borrowed from Anglo-Norman Bretaigne, Bretaine, from Latin Britannia; reinforced by native Old English Breten.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "proper noun"
      },
      "expansion": "Breteyn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "name",
  "senses": [
    {
      "glosses": [
        "Britain"
      ],
      "links": [
        [
          "Britain",
          "Britain"
        ]
      ]
    },
    {
      "glosses": [
        "Brittany"
      ],
      "links": [
        [
          "Brittany",
          "Brittany"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/brɛˈtæi̯n/"
    }
  ],
  "synonyms": [
    {
      "word": "Britaine"
    },
    {
      "word": "Britane"
    },
    {
      "word": "Britayne"
    }
  ],
  "word": "Breteyn"
}