"sso" meaning in Middle English

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "pronoun"
      },
      "expansion": "sso",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sche"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Southern Middle English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle English pronouns",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "alternative form of sche"
      ],
      "id": "en-sso-enm-pron-YOWm39wb",
      "links": [
        [
          "sche",
          "sche#Middle_English"
        ]
      ],
      "raw_glosses": [
        "(chiefly western Southern) alternative form of sche"
      ],
      "tags": [
        "Southern",
        "Western",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sso"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "sso",
      "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-sso-enm-noun-9yhElewz",
      "links": [
        [
          "scho",
          "scho#Middle_English:_shoe"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sso"
}

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

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "sso",
      "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": "sso"
}