"fieraš" meaning in Same du Nord

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en same du Nord",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Same du Nord",
      "orig": "same du Nord",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Same du Nord",
  "lang_code": "se",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "raw_tags": [
    "/ˈfie̯rɑʃ/"
  ],
  "senses": [
    {
      "form_of": [
        {
          "word": "fierrat"
        }
      ],
      "glosses": [
        "Thème négatif au présent du potentiel de fierrat."
      ],
      "id": "fr-fieraš-se-verb-dVUDlkXj"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "fieraš"
}

{
  "categories": [
    "Formes de verbes en same du Nord",
    "same du Nord"
  ],
  "lang": "Same du Nord",
  "lang_code": "se",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "raw_tags": [
    "/ˈfie̯rɑʃ/"
  ],
  "senses": [
    {
      "form_of": [
        {
          "word": "fierrat"
        }
      ],
      "glosses": [
        "Thème négatif au présent du potentiel de fierrat."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "fieraš"
}