"kettőn" meaning in Hungarian

{
  "etymology_templates": [
    {
      "args": {
        "1": "hu",
        "2": "kettő",
        "3": "-n",
        "nocat": "y",
        "pos2": "case suffix",
        "t1": "two",
        "t2": "on"
      },
      "expansion": "kettő (“two”) + -n (“on”, case suffix)",
      "name": "affix"
    }
  ],
  "etymology_text": "kettő (“two”) + -n (“on”, case suffix)",
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "numeral form"
      },
      "expansion": "kettőn",
      "name": "head"
    }
  ],
  "hyphenation": [
    "ket‧tőn"
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hungarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "kettőn áll a vásár"
        }
      ],
      "form_of": [
        {
          "word": "kettő"
        }
      ],
      "glosses": [
        "superessive singular of kettő"
      ],
      "id": "en-kettőn-hu-num-fghLpA0Z",
      "links": [
        [
          "kettő",
          "kettő#Hungarian"
        ]
      ],
      "tags": [
        "form-of",
        "singular",
        "superessive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkɛtːøːn]"
    }
  ],
  "word": "kettőn"
}

{
  "derived": [
    {
      "word": "kettőn áll a vásár"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "hu",
        "2": "kettő",
        "3": "-n",
        "nocat": "y",
        "pos2": "case suffix",
        "t1": "two",
        "t2": "on"
      },
      "expansion": "kettő (“two”) + -n (“on”, case suffix)",
      "name": "affix"
    }
  ],
  "etymology_text": "kettő (“two”) + -n (“on”, case suffix)",
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "numeral form"
      },
      "expansion": "kettőn",
      "name": "head"
    }
  ],
  "hyphenation": [
    "ket‧tőn"
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Hungarian entries with incorrect language header",
        "Hungarian non-lemma forms",
        "Hungarian numeral forms",
        "Hungarian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "kettő"
        }
      ],
      "glosses": [
        "superessive singular of kettő"
      ],
      "links": [
        [
          "kettő",
          "kettő#Hungarian"
        ]
      ],
      "tags": [
        "form-of",
        "singular",
        "superessive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkɛtːøːn]"
    }
  ],
  "word": "kettőn"
}