"megahistory" meaning in All languages combined

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mega",
        "3": "history"
      },
      "expansion": "mega- + history",
      "name": "prefix"
    }
  ],
  "etymology_text": "mega- + history",
  "forms": [
    {
      "form": "megahistories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "megahistory (countable and uncountable, plural megahistories)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 terms prefixed with mega-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "History",
          "orig": "en:History",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An extreme form of macrohistory, dealing with particularly large cultures over very long periods of time."
      ],
      "id": "en-megahistory-en-noun-LYqhji-t",
      "links": [
        [
          "macrohistory",
          "macrohistory"
        ]
      ],
      "related": [
        {
          "word": "megahistorical"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "megahistory"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mega",
        "3": "history"
      },
      "expansion": "mega- + history",
      "name": "prefix"
    }
  ],
  "etymology_text": "mega- + history",
  "forms": [
    {
      "form": "megahistories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "megahistory (countable and uncountable, plural megahistories)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "megahistorical"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with mega-",
        "English uncountable nouns",
        "en:History"
      ],
      "glosses": [
        "An extreme form of macrohistory, dealing with particularly large cultures over very long periods of time."
      ],
      "links": [
        [
          "macrohistory",
          "macrohistory"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "megahistory"
}