"sco" meaning in Middle English

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "pronoun"
      },
      "expansion": "sco",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sche"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Northern Middle English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle English pronouns",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of sche"
      ],
      "id": "en-sco-enm-pron-dr~ccBE2",
      "links": [
        [
          "sche",
          "sche#Middle English"
        ]
      ],
      "raw_glosses": [
        "(chiefly Northern) Alternative form of sche"
      ],
      "tags": [
        "Northern",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sco"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "sco",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "shoe",
          "word": "scho"
        }
      ],
      "glosses": [
        "Alternative form of scho (“shoe”)"
      ],
      "id": "en-sco-enm-noun-JcOykfDO",
      "links": [
        [
          "scho",
          "scho#Middle_English:_shoe"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sco"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English nouns",
    "Middle English pronouns"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "pronoun"
      },
      "expansion": "sco",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sche"
        }
      ],
      "categories": [
        "Northern Middle English"
      ],
      "glosses": [
        "Alternative form of sche"
      ],
      "links": [
        [
          "sche",
          "sche#Middle English"
        ]
      ],
      "raw_glosses": [
        "(chiefly Northern) Alternative form of sche"
      ],
      "tags": [
        "Northern",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sco"
}

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