"Hersteini" meaning in Islandais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de prénoms en islandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Islandais",
      "orig": "islandais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Islandais",
  "lang_code": "is",
  "pos": "name",
  "pos_title": "Forme de prénom",
  "senses": [
    {
      "form_of": [
        {
          "word": "Hersteinn"
        }
      ],
      "glosses": [
        "Datif de Hersteinn."
      ],
      "id": "fr-Hersteini-is-name-45jUgv9G"
    }
  ],
  "tags": [
    "first name",
    "form-of",
    "masculine"
  ],
  "word": "Hersteini"
}

{
  "categories": [
    "Formes de prénoms en islandais",
    "islandais"
  ],
  "lang": "Islandais",
  "lang_code": "is",
  "pos": "name",
  "pos_title": "Forme de prénom",
  "senses": [
    {
      "form_of": [
        {
          "word": "Hersteinn"
        }
      ],
      "glosses": [
        "Datif de Hersteinn."
      ]
    }
  ],
  "tags": [
    "first name",
    "form-of",
    "masculine"
  ],
  "word": "Hersteini"
}