"restell" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Pluriels internes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Pluriel interne de rastell, obtenu par une inflexion a > e.",
    "Mentionné dans le grand dictionnaire de François Vallée (1931) : restell."
  ],
  "forms": [
    {
      "form": "rastell",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "rastelloù",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "rastilli",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "rastell"
        }
      ],
      "glosses": [
        "Pluriel de rastell."
      ],
      "id": "fr-restell-br-noun-llz6jhH5"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈrɛstɛl\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "restell"
}

{
  "categories": [
    "Formes de noms communs en breton",
    "Pluriels internes en breton",
    "breton"
  ],
  "etymology_texts": [
    "Pluriel interne de rastell, obtenu par une inflexion a > e.",
    "Mentionné dans le grand dictionnaire de François Vallée (1931) : restell."
  ],
  "forms": [
    {
      "form": "rastell",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "rastelloù",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "rastilli",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "rastell"
        }
      ],
      "glosses": [
        "Pluriel de rastell."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈrɛstɛl\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "restell"
}