"shudnae" meaning in Scots

{
  "etymology_templates": [
    {
      "args": {
        "1": "sco",
        "2": "shud",
        "3": "-nae"
      },
      "expansion": "shud + -nae",
      "name": "suffix"
    }
  ],
  "etymology_text": "shud + -nae",
  "head_templates": [
    {
      "args": {
        "1": "sco",
        "2": "contraction"
      },
      "expansion": "shudnae",
      "name": "head"
    }
  ],
  "lang": "Scots",
  "lang_code": "sco",
  "pos": "contraction",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Scots entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Scots terms suffixed with -nae",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "should not"
      ],
      "id": "en-shudnae-sco-contraction-U91DBKUA",
      "links": [
        [
          "should",
          "should"
        ],
        [
          "not",
          "not"
        ]
      ],
      "synonyms": [
        {
          "word": "shudna"
        }
      ],
      "tags": [
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʃʌdnɪ/"
    }
  ],
  "word": "shudnae"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sco",
        "2": "shud",
        "3": "-nae"
      },
      "expansion": "shud + -nae",
      "name": "suffix"
    }
  ],
  "etymology_text": "shud + -nae",
  "head_templates": [
    {
      "args": {
        "1": "sco",
        "2": "contraction"
      },
      "expansion": "shudnae",
      "name": "head"
    }
  ],
  "lang": "Scots",
  "lang_code": "sco",
  "pos": "contraction",
  "senses": [
    {
      "categories": [
        "Scots contractions",
        "Scots entries with incorrect language header",
        "Scots non-lemma forms",
        "Scots terms suffixed with -nae",
        "Scots terms with IPA pronunciation"
      ],
      "glosses": [
        "should not"
      ],
      "links": [
        [
          "should",
          "should"
        ],
        [
          "not",
          "not"
        ]
      ],
      "tags": [
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʃʌdnɪ/"
    }
  ],
  "synonyms": [
    {
      "word": "shudna"
    }
  ],
  "word": "shudnae"
}