"tou" meaning in North Frisian

{
  "etymology_templates": [
    {
      "args": {
        "1": "frr",
        "2": "ofs",
        "3": "twēne",
        "4": "twā"
      },
      "expansion": "Old Frisian twā",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Frisian twā.",
  "head_templates": [
    {
      "args": {
        "1": "frr",
        "2": "numeral"
      },
      "expansion": "tou",
      "name": "head"
    }
  ],
  "lang": "North Frisian",
  "lang_code": "frr",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "North Frisian cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "North Frisian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 22 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "two",
          "word": "twäär"
        }
      ],
      "glosses": [
        "feminine/neuter of twäär (“two”)"
      ],
      "id": "en-tou-frr-num-Ddu~a-WF",
      "links": [
        [
          "twäär",
          "twäär#North_Frisian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰɔʊ̯]",
      "tags": [
        "Mooring"
      ]
    }
  ],
  "word": "tou"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "frr",
        "2": "ofs",
        "3": "twēne",
        "4": "twā"
      },
      "expansion": "Old Frisian twā",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Frisian twā.",
  "head_templates": [
    {
      "args": {
        "1": "frr",
        "2": "numeral"
      },
      "expansion": "tou",
      "name": "head"
    }
  ],
  "lang": "North Frisian",
  "lang_code": "frr",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "North Frisian cardinal numbers",
        "North Frisian entries with incorrect language header",
        "North Frisian lemmas",
        "North Frisian numerals",
        "North Frisian terms derived from Old Frisian",
        "North Frisian terms inherited from Old Frisian",
        "Pages with 22 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "extra": "two",
          "word": "twäär"
        }
      ],
      "glosses": [
        "feminine/neuter of twäär (“two”)"
      ],
      "links": [
        [
          "twäär",
          "twäär#North_Frisian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰɔʊ̯]",
      "tags": [
        "Mooring"
      ]
    }
  ],
  "word": "tou"
}