"barún" meaning in Middle Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "barún"
          },
          "expansion": "Irish: barún",
          "name": "desc"
        }
      ],
      "text": "Irish: barún"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "gem-pro"
      },
      "expansion": "",
      "name": "dercat"
    },
    {
      "args": {
        "1": "mga",
        "2": "fro",
        "3": "baron"
      },
      "expansion": "Borrowed from Old French baron",
      "name": "bor+"
    },
    {
      "args": {
        "1": "mga",
        "2": "la",
        "3": "barō",
        "4": "barōnem"
      },
      "expansion": "Latin barōnem",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Old French baron, from Latin barōnem.",
  "forms": [
    {
      "form": "barúin",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "barún",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "barúin",
      "tags": [
        "nominative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "noun",
        "3": "genitive",
        "4": "barúin",
        "5": "or",
        "6": "barún",
        "7": "nominative plural",
        "8": "barúin",
        "g": "m"
      },
      "expansion": "barún m (genitive barúin or barún, nominative plural barúin)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mga",
          "name": "Male people",
          "orig": "mga:Male people",
          "parents": [
            "Male",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mga",
          "name": "Nobility",
          "orig": "mga:Nobility",
          "parents": [
            "High society",
            "People",
            "Society",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "barúntacht"
        }
      ],
      "glosses": [
        "baron"
      ],
      "id": "en-barún-mga-noun-mcK7PnyT",
      "links": [
        [
          "baron",
          "baron"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "barún"
}

{
  "derived": [
    {
      "word": "barúntacht"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "barún"
          },
          "expansion": "Irish: barún",
          "name": "desc"
        }
      ],
      "text": "Irish: barún"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "gem-pro"
      },
      "expansion": "",
      "name": "dercat"
    },
    {
      "args": {
        "1": "mga",
        "2": "fro",
        "3": "baron"
      },
      "expansion": "Borrowed from Old French baron",
      "name": "bor+"
    },
    {
      "args": {
        "1": "mga",
        "2": "la",
        "3": "barō",
        "4": "barōnem"
      },
      "expansion": "Latin barōnem",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Old French baron, from Latin barōnem.",
  "forms": [
    {
      "form": "barúin",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "barún",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "barúin",
      "tags": [
        "nominative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "noun",
        "3": "genitive",
        "4": "barúin",
        "5": "or",
        "6": "barún",
        "7": "nominative plural",
        "8": "barúin",
        "g": "m"
      },
      "expansion": "barún m (genitive barúin or barún, nominative plural barúin)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle Irish entries with incorrect language header",
        "Middle Irish lemmas",
        "Middle Irish masculine nouns",
        "Middle Irish nouns",
        "Middle Irish terms borrowed from Old French",
        "Middle Irish terms derived from Latin",
        "Middle Irish terms derived from Old French",
        "Middle Irish terms derived from Proto-Germanic",
        "Pages with 2 entries",
        "Pages with entries",
        "mga:Male people",
        "mga:Nobility"
      ],
      "glosses": [
        "baron"
      ],
      "links": [
        [
          "baron",
          "baron"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "barún"
}