"jadån" meaning in Polabian

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "sla-pro",
        "3": "*edinъ"
      },
      "expansion": "Proto-Slavic *edinъ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *edinъ.",
  "head_templates": [
    {
      "args": {
        "1": "pox",
        "2": "numeral"
      },
      "expansion": "jadån",
      "name": "head"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Polabian cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polabian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "one (1)"
      ],
      "id": "en-jadån-pox-num-PWLq0kFa",
      "links": [
        [
          "one",
          "one"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jaˈdɒn/"
    }
  ],
  "word": "jadån"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "sla-pro",
        "3": "*edinъ"
      },
      "expansion": "Proto-Slavic *edinъ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *edinъ.",
  "head_templates": [
    {
      "args": {
        "1": "pox",
        "2": "numeral"
      },
      "expansion": "jadån",
      "name": "head"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polabian cardinal numbers",
        "Polabian entries with incorrect language header",
        "Polabian lemmas",
        "Polabian numerals",
        "Polabian terms derived from Proto-Slavic",
        "Polabian terms inherited from Proto-Slavic"
      ],
      "glosses": [
        "one (1)"
      ],
      "links": [
        [
          "one",
          "one"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jaˈdɒn/"
    }
  ],
  "word": "jadån"
}