"dorn" meaning in Breton

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*durnos"
      },
      "expansion": "Proto-Celtic *durnos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "dwrn",
        "3": "",
        "4": "fist"
      },
      "expansion": "Welsh dwrn (“fist”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ga",
        "2": "dorn"
      },
      "expansion": "Irish dorn",
      "name": "cog"
    },
    {
      "args": {
        "1": "br",
        "2": "qfa-sub",
        "3": "-"
      },
      "expansion": "substrate",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Celtic *durnos (compare Welsh dwrn (“fist”), Irish dorn), probably loaned from a non-Indo-European substrate language.",
  "forms": [
    {
      "form": "dornioù",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "daouarn",
      "tags": [
        "dual"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "10": "{{{p3}}}",
        "11": "dual",
        "12": "daouarn",
        "13": "",
        "14": "{{{c}}}",
        "15": "",
        "16": "{{{s}}}",
        "17": "",
        "18": "{{{s2}}}",
        "2": "nouns",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "dornioù",
        "7": "",
        "8": "{{{p2}}}",
        "9": "",
        "f2accel-form": "p",
        "f5accel-form": "d",
        "f7accel-form": "sgl",
        "f8accel-form": "s",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "dorn m (plural dornioù, dual daouarn)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "d": "daouarn",
        "p": "dornioù"
      },
      "expansion": "dorn m (plural dornioù, dual daouarn)",
      "name": "br-noun"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Breton entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Breton entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "br",
          "name": "Anatomy",
          "orig": "br:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "hand"
      ],
      "id": "en-dorn-br-noun-GwAXBqQY",
      "links": [
        [
          "hand",
          "hand"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɔrn/"
    }
  ],
  "word": "dorn"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*durnos"
      },
      "expansion": "Proto-Celtic *durnos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "dwrn",
        "3": "",
        "4": "fist"
      },
      "expansion": "Welsh dwrn (“fist”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ga",
        "2": "dorn"
      },
      "expansion": "Irish dorn",
      "name": "cog"
    },
    {
      "args": {
        "1": "br",
        "2": "qfa-sub",
        "3": "-"
      },
      "expansion": "substrate",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Celtic *durnos (compare Welsh dwrn (“fist”), Irish dorn), probably loaned from a non-Indo-European substrate language.",
  "forms": [
    {
      "form": "dornioù",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "daouarn",
      "tags": [
        "dual"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "10": "{{{p3}}}",
        "11": "dual",
        "12": "daouarn",
        "13": "",
        "14": "{{{c}}}",
        "15": "",
        "16": "{{{s}}}",
        "17": "",
        "18": "{{{s2}}}",
        "2": "nouns",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "dornioù",
        "7": "",
        "8": "{{{p2}}}",
        "9": "",
        "f2accel-form": "p",
        "f5accel-form": "d",
        "f7accel-form": "sgl",
        "f8accel-form": "s",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "dorn m (plural dornioù, dual daouarn)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "d": "daouarn",
        "p": "dornioù"
      },
      "expansion": "dorn m (plural dornioù, dual daouarn)",
      "name": "br-noun"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Breton entries with incorrect language header",
        "Breton entries with topic categories using raw markup",
        "Breton lemmas",
        "Breton masculine nouns",
        "Breton nouns",
        "Breton terms derived from Proto-Celtic",
        "Breton terms derived from substrate languages",
        "Breton terms inherited from Proto-Celtic",
        "Breton terms with IPA pronunciation",
        "br:Anatomy"
      ],
      "glosses": [
        "hand"
      ],
      "links": [
        [
          "hand",
          "hand"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɔrn/"
    }
  ],
  "word": "dorn"
}