"IJzeren" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "li",
        "2": "Iezere"
      },
      "expansion": "Limburgish Iezere",
      "name": "cog"
    }
  ],
  "etymology_text": "First attested as yseren in 1330. Perhaps derived from an otherwise unknown hydronym *IJzer.\nSee also Limburgish Iezere.",
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "IJzeren n",
      "name": "nl-proper noun"
    }
  ],
  "hyphenation": [
    "IJ‧ze‧ren"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "nl",
          "name": "Places in Limburg, Netherlands",
          "orig": "nl:Places in Limburg, Netherlands",
          "parents": [
            "Places"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "nl",
          "name": "Places in the Netherlands",
          "orig": "nl:Places in the Netherlands",
          "parents": [
            "Places"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "nl",
          "name": "Villages in Limburg, Netherlands",
          "orig": "nl:Villages in Limburg, Netherlands",
          "parents": [
            "Villages",
            "Places"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "nl",
          "name": "Villages in the Netherlands",
          "orig": "nl:Villages in the Netherlands",
          "parents": [
            "Villages",
            "Places"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a hamlet in Valkenburg aan de Geul, Limburg, Netherlands"
      ],
      "id": "en-IJzeren-nl-name-RimPG1Ns",
      "links": [
        [
          "hamlet",
          "hamlet"
        ],
        [
          "Valkenburg aan de Geul",
          "Valkenburg aan de Geul#English"
        ],
        [
          "Limburg",
          "Limburg#English"
        ],
        [
          "Netherlands",
          "Netherlands#English"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɛi̯.zə.rə(n)/"
    },
    {
      "audio": "Nl-ijzeren.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/44/Nl-ijzeren.ogg/Nl-ijzeren.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/44/Nl-ijzeren.ogg"
    },
    {
      "rhymes": "-ɛi̯zərən"
    },
    {
      "homophone": "ijzeren"
    }
  ],
  "word": "IJzeren"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "li",
        "2": "Iezere"
      },
      "expansion": "Limburgish Iezere",
      "name": "cog"
    }
  ],
  "etymology_text": "First attested as yseren in 1330. Perhaps derived from an otherwise unknown hydronym *IJzer.\nSee also Limburgish Iezere.",
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "IJzeren n",
      "name": "nl-proper noun"
    }
  ],
  "hyphenation": [
    "IJ‧ze‧ren"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch neuter nouns",
        "Dutch proper nouns",
        "Dutch terms with homophones",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Dutch/ɛi̯zərən",
        "Rhymes:Dutch/ɛi̯zərən/3 syllables",
        "nl:Places in Limburg, Netherlands",
        "nl:Places in the Netherlands",
        "nl:Villages in Limburg, Netherlands",
        "nl:Villages in the Netherlands"
      ],
      "glosses": [
        "a hamlet in Valkenburg aan de Geul, Limburg, Netherlands"
      ],
      "links": [
        [
          "hamlet",
          "hamlet"
        ],
        [
          "Valkenburg aan de Geul",
          "Valkenburg aan de Geul#English"
        ],
        [
          "Limburg",
          "Limburg#English"
        ],
        [
          "Netherlands",
          "Netherlands#English"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɛi̯.zə.rə(n)/"
    },
    {
      "audio": "Nl-ijzeren.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/44/Nl-ijzeren.ogg/Nl-ijzeren.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/44/Nl-ijzeren.ogg"
    },
    {
      "rhymes": "-ɛi̯zərən"
    },
    {
      "homophone": "ijzeren"
    }
  ],
  "word": "IJzeren"
}