"syx" meaning in Old English

{
  "head_templates": [
    {
      "args": {
        "1": "ang",
        "2": "numeral"
      },
      "expansion": "syx",
      "name": "head"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "word": "siex"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "name": "Old English cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of siex"
      ],
      "id": "en-syx-ang-num-9Ak0OFPL",
      "links": [
        [
          "siex",
          "siex#Old English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/syks/"
    }
  ],
  "word": "syx"
}

{
  "head_templates": [
    {
      "args": {
        "1": "ang",
        "2": "numeral"
      },
      "expansion": "syx",
      "name": "head"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "word": "siex"
        }
      ],
      "categories": [
        "Old English cardinal numbers",
        "Old English entries with incorrect language header",
        "Old English lemmas",
        "Old English numerals",
        "Old English terms with IPA pronunciation"
      ],
      "glosses": [
        "Alternative form of siex"
      ],
      "links": [
        [
          "siex",
          "siex#Old English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/syks/"
    }
  ],
  "word": "syx"
}