"arth" meaning in Cornish

{
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "inh",
        "3": "cel-bry-pro>*arθ>bear",
        "id": "bear",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *h₂ŕ̥tḱos\nProto-Celtic *artos\nProto-Brythonic *arθ\nCornish arthInherited from Proto-Brythonic *arθ, from Proto-Celtic *artos, from Proto-Indo-European *h₂ŕ̥tḱos.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *h₂ŕ̥tḱos\nProto-Celtic *artos\nProto-Brythonic *arθ\nCornish arthInherited from Proto-Brythonic *arθ, from Proto-Celtic *artos, from Proto-Indo-European *h₂ŕ̥tḱos.",
  "forms": [
    {
      "form": "arthes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "noun",
        "3": "plural",
        "4": "arthes",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "g": "m",
        "head": ""
      },
      "expansion": "arth m (plural arthes)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "arthes"
      },
      "expansion": "arth m (plural arthes)",
      "name": "kw-noun"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cornish entries with etymology texts",
          "parents": [
            "Entries with etymology texts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Cornish entries with etymology trees",
          "parents": [
            "Entries with etymology trees",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Cornish 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": "lifeform",
          "langcode": "kw",
          "name": "Ursids",
          "orig": "kw:Ursids",
          "parents": [
            "Carnivores",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "bear (mammal)"
      ],
      "id": "en-arth-kw-noun-lQyyBUE-",
      "links": [
        [
          "bear",
          "bear#English"
        ]
      ],
      "synonyms": [
        {
          "word": "ors"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aɹθ/"
    },
    {
      "ipa": "[ərθ]"
    }
  ],
  "word": "arth"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "inh",
        "3": "cel-bry-pro>*arθ>bear",
        "id": "bear",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *h₂ŕ̥tḱos\nProto-Celtic *artos\nProto-Brythonic *arθ\nCornish arthInherited from Proto-Brythonic *arθ, from Proto-Celtic *artos, from Proto-Indo-European *h₂ŕ̥tḱos.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *h₂ŕ̥tḱos\nProto-Celtic *artos\nProto-Brythonic *arθ\nCornish arthInherited from Proto-Brythonic *arθ, from Proto-Celtic *artos, from Proto-Indo-European *h₂ŕ̥tḱos.",
  "forms": [
    {
      "form": "arthes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "noun",
        "3": "plural",
        "4": "arthes",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "g": "m",
        "head": ""
      },
      "expansion": "arth m (plural arthes)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "arthes"
      },
      "expansion": "arth m (plural arthes)",
      "name": "kw-noun"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Cornish entries with etymology texts",
        "Cornish entries with etymology trees",
        "Cornish entries with incorrect language header",
        "Cornish lemmas",
        "Cornish masculine nouns",
        "Cornish nouns",
        "Cornish terms derived from Proto-Brythonic",
        "Cornish terms derived from Proto-Celtic",
        "Cornish terms derived from Proto-Indo-European",
        "Cornish terms inherited from Proto-Brythonic",
        "Cornish terms inherited from Proto-Celtic",
        "Cornish terms inherited from Proto-Indo-European",
        "Pages with 2 entries",
        "Pages with entries",
        "kw:Ursids"
      ],
      "glosses": [
        "bear (mammal)"
      ],
      "links": [
        [
          "bear",
          "bear#English"
        ]
      ],
      "synonyms": [
        {
          "word": "ors"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aɹθ/"
    },
    {
      "ipa": "[ərθ]"
    }
  ],
  "word": "arth"
}