"double burden" meaning in English

{
  "forms": [
    {
      "form": "double burdens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "double burden (plural double burdens)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Feminism",
          "orig": "en:Feminism",
          "parents": [
            "Female",
            "Gender",
            "Ideologies",
            "Society",
            "Sociology",
            "Biology",
            "Psychology",
            "Politics",
            "All topics",
            "Social sciences",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Parents",
          "orig": "en:Parents",
          "parents": [
            "Family members",
            "Family",
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The extended workload of a person who works double days."
      ],
      "id": "en-double_burden-en-noun-j1rSbVGu",
      "links": [
        [
          "workload",
          "workload"
        ],
        [
          "double day",
          "double day"
        ]
      ]
    }
  ],
  "word": "double burden"
}

{
  "forms": [
    {
      "form": "double burdens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "double burden (plural double burdens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Feminism",
        "en:Parents"
      ],
      "glosses": [
        "The extended workload of a person who works double days."
      ],
      "links": [
        [
          "workload",
          "workload"
        ],
        [
          "double day",
          "double day"
        ]
      ]
    }
  ],
  "word": "double burden"
}