"tuttugu" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "tuttugu"
      },
      "expansion": "Old Norse tuttugu",
      "name": "der"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*twai tigiwiz"
      },
      "expansion": "Proto-Germanic *twai tigiwiz",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse tuttugu, from Proto-Germanic *twai tigiwiz.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "numeral"
      },
      "expansion": "tuttugu",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Icelandic cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "twenty"
      ],
      "id": "en-tuttugu-is-num-fCxN90D3",
      "links": [
        [
          "twenty",
          "twenty"
        ]
      ],
      "related": [
        {
          "tags": [
            "masculine",
            "ordinal"
          ],
          "word": "tuttugasti"
        },
        {
          "tags": [
            "feminine",
            "neuter",
            "ordinal"
          ],
          "word": "tuttugasta"
        }
      ],
      "synonyms": [
        {
          "sense": "twenty",
          "word": "tvítján"
        }
      ]
    }
  ],
  "word": "tuttugu"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "tuttugu"
      },
      "expansion": "Old Norse tuttugu",
      "name": "der"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*twai tigiwiz"
      },
      "expansion": "Proto-Germanic *twai tigiwiz",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse tuttugu, from Proto-Germanic *twai tigiwiz.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "numeral"
      },
      "expansion": "tuttugu",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "num",
  "related": [
    {
      "tags": [
        "masculine",
        "ordinal"
      ],
      "word": "tuttugasti"
    },
    {
      "tags": [
        "feminine",
        "neuter",
        "ordinal"
      ],
      "word": "tuttugasta"
    }
  ],
  "senses": [
    {
      "categories": [
        "Icelandic cardinal numbers",
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic numerals",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms derived from Proto-Germanic",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "twenty"
      ],
      "links": [
        [
          "twenty",
          "twenty"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "twenty",
      "word": "tvítján"
    }
  ],
  "word": "tuttugu"
}