"aergi" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de aer (« combat ») et de ki (« chien »).",
    "À comparer avec le mot aergi en gallois (sens identique)."
  ],
  "forms": [
    {
      "form": "aergon",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes archaïques en breton",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes rares en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Chien de combat, de guerre."
      ],
      "id": "fr-aergi-br-noun-Nz-MKOVV",
      "tags": [
        "archaic",
        "rare"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Métaphores en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Guerrier."
      ],
      "id": "fr-aergi-br-noun-4QLqsDC-",
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛrɡi\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "aergi"
}

{
  "categories": [
    "Compositions en breton",
    "Noms communs en breton",
    "breton"
  ],
  "etymology_texts": [
    "Composé de aer (« combat ») et de ki (« chien »).",
    "À comparer avec le mot aergi en gallois (sens identique)."
  ],
  "forms": [
    {
      "form": "aergon",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Termes archaïques en breton",
        "Termes rares en breton"
      ],
      "glosses": [
        "Chien de combat, de guerre."
      ],
      "tags": [
        "archaic",
        "rare"
      ]
    },
    {
      "categories": [
        "Métaphores en breton"
      ],
      "glosses": [
        "Guerrier."
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛrɡi\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "aergi"
}