"storhertig" meaning in Suédois

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suédois",
      "orig": "suédois",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "storhertiglig"
    }
  ],
  "etymology_texts": [
    "Composé de stor et de hertig."
  ],
  "forms": [
    {
      "form": "storhertigen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "storhertigar",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "storhertigarna",
      "tags": [
        "definite",
        "plural"
      ]
    },
    {
      "form": "storhertiginna",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Suédois",
  "lang_code": "sv",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "storhertigdöme"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Titres de noblesse en suédois",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Grand-duc."
      ],
      "id": "fr-storhertig-sv-noun-UGsjboBO",
      "topics": [
        "nobility"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "storhertig"
}

{
  "categories": [
    "Lemmes en suédois",
    "Noms communs en suédois",
    "suédois"
  ],
  "derived": [
    {
      "word": "storhertiglig"
    }
  ],
  "etymology_texts": [
    "Composé de stor et de hertig."
  ],
  "forms": [
    {
      "form": "storhertigen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "storhertigar",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "storhertigarna",
      "tags": [
        "definite",
        "plural"
      ]
    },
    {
      "form": "storhertiginna",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Suédois",
  "lang_code": "sv",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "storhertigdöme"
    }
  ],
  "senses": [
    {
      "categories": [
        "Titres de noblesse en suédois"
      ],
      "glosses": [
        "Grand-duc."
      ],
      "topics": [
        "nobility"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "storhertig"
}