"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": "Icelandic entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "twenty; the cardinal number after nítján and before tuttugu og einn."
      ],
      "id": "en-tuttugu-is-num-mMQEeoTd",
      "links": [
        [
          "twenty",
          "twenty"
        ],
        [
          "nítján",
          "nítján#Icelandic"
        ],
        [
          "tuttugu og einn",
          "tuttugu og einn#Icelandic"
        ]
      ],
      "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 entries with language name categories using raw markup",
        "Icelandic lemmas",
        "Icelandic numerals",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms derived from Proto-Germanic"
      ],
      "glosses": [
        "twenty; the cardinal number after nítján and before tuttugu og einn."
      ],
      "links": [
        [
          "twenty",
          "twenty"
        ],
        [
          "nítján",
          "nítján#Icelandic"
        ],
        [
          "tuttugu og einn",
          "tuttugu og einn#Icelandic"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "twenty",
      "word": "tvítján"
    }
  ],
  "word": "tuttugu"
}