"tretten" meaning in Norwegian Bokmål

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "non",
        "3": "þrettán"
      },
      "expansion": "Old Norse þrettán",
      "name": "der"
    },
    {
      "args": {
        "1": "nb",
        "2": "gem-pro",
        "3": "*þritehun"
      },
      "expansion": "Proto-Germanic *þritehun",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse þrettán, from Proto-Germanic *þritehun.",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "numeral"
      },
      "expansion": "tretten",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Norwegian Bokmål cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "thirteen"
      ],
      "id": "en-tretten-nb-num-nsyB8KS2",
      "links": [
        [
          "thirteen",
          "thirteen#English"
        ]
      ],
      "related": [
        {
          "word": "trettende"
        }
      ]
    }
  ],
  "word": "tretten"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "noun form",
        "g": "m",
        "g2": "f"
      },
      "expansion": "tretten m or f",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "trette"
        }
      ],
      "glosses": [
        "definite masculine singular of trette"
      ],
      "id": "en-tretten-nb-noun-GhOznj~b",
      "links": [
        [
          "trette",
          "trette#Norwegian Bokmål"
        ]
      ],
      "synonyms": [
        {
          "word": "tretta"
        }
      ],
      "tags": [
        "definite",
        "feminine",
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "tretten"
}

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "non",
        "3": "þrettán"
      },
      "expansion": "Old Norse þrettán",
      "name": "der"
    },
    {
      "args": {
        "1": "nb",
        "2": "gem-pro",
        "3": "*þritehun"
      },
      "expansion": "Proto-Germanic *þritehun",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse þrettán, from Proto-Germanic *þritehun.",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "numeral"
      },
      "expansion": "tretten",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "num",
  "related": [
    {
      "word": "trettende"
    }
  ],
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål cardinal numbers"
      ],
      "glosses": [
        "thirteen"
      ],
      "links": [
        [
          "thirteen",
          "thirteen#English"
        ]
      ]
    }
  ],
  "word": "tretten"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "noun form",
        "g": "m",
        "g2": "f"
      },
      "expansion": "tretten m or f",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "trette"
        }
      ],
      "glosses": [
        "definite masculine singular of trette"
      ],
      "links": [
        [
          "trette",
          "trette#Norwegian Bokmål"
        ]
      ],
      "tags": [
        "definite",
        "feminine",
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "tretta"
    }
  ],
  "word": "tretten"
}