"van onderen" meaning in Dutch

{
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "interjection"
      },
      "expansion": "van onderen",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Exclamation to indicate that a large object is falling; timber."
      ],
      "id": "en-van_onderen-nl-intj-jgcsKpNm",
      "links": [
        [
          "timber",
          "timber#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/vɑn ˈɔn.də.rə(n)/"
    }
  ],
  "word": "van onderen"
}

{
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "interjection"
      },
      "expansion": "van onderen",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch interjections",
        "Dutch lemmas",
        "Dutch multiword terms",
        "Dutch terms with IPA pronunciation"
      ],
      "glosses": [
        "Exclamation to indicate that a large object is falling; timber."
      ],
      "links": [
        [
          "timber",
          "timber#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/vɑn ˈɔn.də.rə(n)/"
    }
  ],
  "word": "van onderen"
}