"·Rbignâ" meaning in Gallo

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en gallo",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallo",
      "orig": "gallo",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallo en graphie MOGA",
      "orig": "gallo en graphie MOGA",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "· en gallo",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Gallo",
  "lang_code": "gallo",
  "notes": [
    "Lorsque le nom propre est précédé de la préposition a, le nom s'écrit Rbignâ."
  ],
  "pos": "name",
  "pos_title": "Nom propre",
  "raw_tags": [
    "graphie MOGA"
  ],
  "related": [
    {
      "word": "Arbigna"
    },
    {
      "word": "Èrbinyac"
    },
    {
      "word": "Èrbigna"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Localités de France en gallo",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Herbignac, commune française, située dans le département de la Loire-Atlantique."
      ],
      "id": "fr-·Rbignâ-gallo-name-ArGdz5fM",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ə̆ʁbiɲɑ\\"
    }
  ],
  "word": "·Rbignâ"
}

{
  "categories": [
    "Noms propres en gallo",
    "gallo",
    "gallo en graphie MOGA",
    "· en gallo"
  ],
  "lang": "Gallo",
  "lang_code": "gallo",
  "notes": [
    "Lorsque le nom propre est précédé de la préposition a, le nom s'écrit Rbignâ."
  ],
  "pos": "name",
  "pos_title": "Nom propre",
  "raw_tags": [
    "graphie MOGA"
  ],
  "related": [
    {
      "word": "Arbigna"
    },
    {
      "word": "Èrbinyac"
    },
    {
      "word": "Èrbigna"
    }
  ],
  "senses": [
    {
      "categories": [
        "Localités de France en gallo"
      ],
      "glosses": [
        "Herbignac, commune française, située dans le département de la Loire-Atlantique."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ə̆ʁbiɲɑ\\"
    }
  ],
  "word": "·Rbignâ"
}