"zisfiz" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "disfiz",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "tisfiz",
      "tags": [
        "mutation-hard"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              16,
              22
            ]
          ],
          "ref": "Jules Gros, Le Trésor du Breton parlé - 1 : Le langage figuré, Emgleo Breiz - Brud Nevez, 1970, page 134",
          "text": "N’e-nevoa ket a zisfiz dioutañ.",
          "translation": "Il n’avait pas de méfiance à son égard."
        }
      ],
      "form_of": [
        {
          "word": "disfiz"
        }
      ],
      "glosses": [
        "Forme mutée de disfiz par adoucissement (d > z)."
      ],
      "id": "fr-zisfiz-br-noun-YaygYK5C"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈzis.fi(s)\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "zisfiz"
}

{
  "categories": [
    "Formes de noms communs en breton",
    "breton"
  ],
  "forms": [
    {
      "form": "disfiz",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "tisfiz",
      "tags": [
        "mutation-hard"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              16,
              22
            ]
          ],
          "ref": "Jules Gros, Le Trésor du Breton parlé - 1 : Le langage figuré, Emgleo Breiz - Brud Nevez, 1970, page 134",
          "text": "N’e-nevoa ket a zisfiz dioutañ.",
          "translation": "Il n’avait pas de méfiance à son égard."
        }
      ],
      "form_of": [
        {
          "word": "disfiz"
        }
      ],
      "glosses": [
        "Forme mutée de disfiz par adoucissement (d > z)."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈzis.fi(s)\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "zisfiz"
}