"seytján" meaning in Icelandic

{
  "head_templates": [
    {
      "args": {
        "1": "indecl",
        "pos": "numeral"
      },
      "expansion": "seytján (indeclinable)",
      "name": "is-adj"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "seventeen",
          "word": "sautján"
        }
      ],
      "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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of sautján (“seventeen”)"
      ],
      "id": "en-seytján-is-num-IH4M4PzV",
      "links": [
        [
          "sautján",
          "sautján#Icelandic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "indeclinable"
      ]
    }
  ],
  "word": "seytján"
}

{
  "head_templates": [
    {
      "args": {
        "1": "indecl",
        "pos": "numeral"
      },
      "expansion": "seytján (indeclinable)",
      "name": "is-adj"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "seventeen",
          "word": "sautján"
        }
      ],
      "categories": [
        "Icelandic cardinal numbers",
        "Icelandic entries with incorrect language header",
        "Icelandic indeclinable numerals",
        "Icelandic lemmas",
        "Icelandic numerals",
        "Icelandic terms with redundant head parameter",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative form of sautján (“seventeen”)"
      ],
      "links": [
        [
          "sautján",
          "sautján#Icelandic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "indeclinable"
      ]
    }
  ],
  "word": "seytján"
}