"er" meaning in Cornique

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "forms": [
    {
      "form": "eryon",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eres",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-1",
  "pos_title": "Nom commun 1",
  "senses": [
    {
      "glosses": [
        "Aigle."
      ],
      "id": "fr-er-kw-noun-ommNFKjS"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛ:r\\"
    }
  ],
  "word": "er"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "forms": [
    {
      "form": "erys",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-2",
  "pos_title": "Nom commun 2",
  "senses": [
    {
      "glosses": [
        "Héritier."
      ],
      "id": "fr-er-kw-noun-LI6TpPRz"
    }
  ],
  "word": "er"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en danois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-3",
  "pos_title": "Nom commun 3",
  "senses": [
    {
      "glosses": [
        "Mutation adoucie de ger."
      ],
      "id": "fr-er-kw-noun-iaG1h-wX"
    }
  ],
  "word": "er"
}

{
  "categories": [
    "Noms communs en cornique",
    "cornique"
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "forms": [
    {
      "form": "eryon",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eres",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-1",
  "pos_title": "Nom commun 1",
  "senses": [
    {
      "glosses": [
        "Aigle."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛ:r\\"
    }
  ],
  "word": "er"
}

{
  "categories": [
    "Noms communs en cornique",
    "cornique"
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "forms": [
    {
      "form": "erys",
      "raw_tags": [
        "Nom"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-2",
  "pos_title": "Nom commun 2",
  "senses": [
    {
      "glosses": [
        "Héritier."
      ]
    }
  ],
  "word": "er"
}

{
  "categories": [
    "Formes de verbes en danois",
    "cornique"
  ],
  "etymology_texts": [
    "(Nom 1 et 3) Du proto-celtique *eriros, lui-même issu du indo-européen commun *h₃érō désignant un « grand oiseau ». Comparé au breton erer, au gallois eryr, et au vieil irlandais irar."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_id": "kw-nom-3",
  "pos_title": "Nom commun 3",
  "senses": [
    {
      "glosses": [
        "Mutation adoucie de ger."
      ]
    }
  ],
  "word": "er"
}