"hoo" meaning in Middle English

{
  "etymology_number": 1,
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      "args": {
        "1": "enm",
        "2": "pronoun"
      },
      "expansion": "hoo",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "“who”, nominative",
          "word": "who"
        }
      ],
      "categories": [
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Middle English pronouns",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of who (“who”, nominative)"
      ],
      "id": "en-hoo-enm-pron-zUtYPR0b",
      "links": [
        [
          "who",
          "who#Middle_English:_who"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "hoo"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "hoo",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "hough, hock",
          "word": "hough"
        }
      ],
      "categories": [
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of hough (“hough, hock”)"
      ],
      "id": "en-hoo-enm-noun-BN2gpDRw",
      "links": [
        [
          "hough",
          "hough#Middle_English:_hough"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "hoo"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English nouns",
    "Middle English pronouns",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
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        "2": "pronoun"
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      "expansion": "hoo",
      "name": "head"
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  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "“who”, nominative",
          "word": "who"
        }
      ],
      "glosses": [
        "Alternative form of who (“who”, nominative)"
      ],
      "links": [
        [
          "who",
          "who#Middle_English:_who"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "hoo"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English nouns",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "hoo",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "hough, hock",
          "word": "hough"
        }
      ],
      "glosses": [
        "Alternative form of hough (“hough, hock”)"
      ],
      "links": [
        [
          "hough",
          "hough#Middle_English:_hough"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "hoo"
}