"might could" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "sco",
        "2": "micht cud"
      },
      "expansion": "Scots micht cud",
      "name": "cog"
    }
  ],
  "etymology_text": "In many Germanic languages and dialects modals can be stacked to combine their meanings; compare Scots micht cud.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "might could",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Southern US English",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1972-1991, Cyrus Colter, The Rivers of Eros →ISBN, page 133 http://books.google.com/books?id=MY6J8etc8jAC&lpg=PA133&dq=%22he%20might%20could%20go%22&pg=PR6#v=onepage&q=%22he%20might%20could%20go%22&f=false",
          "text": "\"Grammaw, Mr. Hammer said today you know things you won't talk about. That if he knew more about what's goin' on he might could go to the police, or to a lawyer, and maybe have Dunreith Smith arrested again.\""
        },
        {
          "ref": "2002-3, Michael Johnston, In the Deep Heart's Core →ISBN, page 172 http://books.google.com/books?id=_rqWu8NTKBsC&lpg=PA172&dq=%22he%20might%20could%20go%22&pg=PA172#v=onepage&q=%22he%20might%20could%20go%22&f=false",
          "text": "\"He might could go there anyway and stay on academic probation for a year and then start running, but they won't accept him if he don't have a high school diploma.\""
        }
      ],
      "glosses": [
        "might be able to (used to soften \"could\" or make it even more conditional)"
      ],
      "id": "en-might_could-en-verb-bf5idg1C",
      "links": [
        [
          "might",
          "might"
        ],
        [
          "be able to",
          "be able to"
        ],
        [
          "soften",
          "soften#English"
        ],
        [
          "could",
          "could#English"
        ]
      ],
      "qualifier": "double modal / stacked modal",
      "raw_glosses": [
        "(double modal / stacked modal, used in some dialects, chiefly Southern US) might be able to (used to soften \"could\" or make it even more conditional)"
      ],
      "raw_tags": [
        "used in some dialects",
        "used in some dialects"
      ],
      "related": [
        {
          "word": "might can"
        },
        {
          "word": "might should"
        },
        {
          "word": "double modal"
        },
        {
          "word": "stacked modal"
        },
        {
          "word": "modal stacking"
        }
      ],
      "tags": [
        "Southern-US"
      ]
    }
  ],
  "word": "might could"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sco",
        "2": "micht cud"
      },
      "expansion": "Scots micht cud",
      "name": "cog"
    }
  ],
  "etymology_text": "In many Germanic languages and dialects modals can be stacked to combine their meanings; compare Scots micht cud.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "might could",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "might can"
    },
    {
      "word": "might should"
    },
    {
      "word": "double modal"
    },
    {
      "word": "stacked modal"
    },
    {
      "word": "modal stacking"
    }
  ],
  "senses": [
    {
      "categories": [
        "English calques",
        "English dialectal terms",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English modal verbs",
        "English multiword terms",
        "English terms with non-redundant non-automated sortkeys",
        "English verbs",
        "Southern US English"
      ],
      "examples": [
        {
          "ref": "1972-1991, Cyrus Colter, The Rivers of Eros →ISBN, page 133 http://books.google.com/books?id=MY6J8etc8jAC&lpg=PA133&dq=%22he%20might%20could%20go%22&pg=PR6#v=onepage&q=%22he%20might%20could%20go%22&f=false",
          "text": "\"Grammaw, Mr. Hammer said today you know things you won't talk about. That if he knew more about what's goin' on he might could go to the police, or to a lawyer, and maybe have Dunreith Smith arrested again.\""
        },
        {
          "ref": "2002-3, Michael Johnston, In the Deep Heart's Core →ISBN, page 172 http://books.google.com/books?id=_rqWu8NTKBsC&lpg=PA172&dq=%22he%20might%20could%20go%22&pg=PA172#v=onepage&q=%22he%20might%20could%20go%22&f=false",
          "text": "\"He might could go there anyway and stay on academic probation for a year and then start running, but they won't accept him if he don't have a high school diploma.\""
        }
      ],
      "glosses": [
        "might be able to (used to soften \"could\" or make it even more conditional)"
      ],
      "links": [
        [
          "might",
          "might"
        ],
        [
          "be able to",
          "be able to"
        ],
        [
          "soften",
          "soften#English"
        ],
        [
          "could",
          "could#English"
        ]
      ],
      "qualifier": "double modal / stacked modal",
      "raw_glosses": [
        "(double modal / stacked modal, used in some dialects, chiefly Southern US) might be able to (used to soften \"could\" or make it even more conditional)"
      ],
      "raw_tags": [
        "used in some dialects",
        "used in some dialects"
      ],
      "tags": [
        "Southern-US"
      ]
    }
  ],
  "word": "might could"
}