"Egyptian darkness" meaning in English

{
  "etymology_text": "With reference to Exodus X.21-2: “Yahweh then said to Moses, ‘Stretch out your hand towards heaven, and let darkness, darkness so thick that it can be felt, cover Egypt.’ So Moses stretched out his hand towards heaven, and for three days there was thick darkness over the whole of Egypt.”",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Egyptian darkness (uncountable)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1933, Dorothy Sayers, Murder Must Advertise, Harcourt, Brace, page 146",
          "text": "Except for the shaft of light thrown by her own headlamps, the darkness was Egyptian.",
          "type": "quotation"
        },
        {
          "ref": "1970, Margarete Orga, editor, The House on the Fontanka, Kimber, page 67",
          "text": "'An Egyptian darkness,' Demyan Lukich remarked, lifting the blind a little.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Very intense darkness."
      ],
      "id": "en-Egyptian_darkness-en-noun-m2fm8ZaK",
      "links": [
        [
          "Very",
          "very"
        ],
        [
          "intense",
          "intense"
        ],
        [
          "darkness",
          "darkness"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "Egyptian darkness"
}

{
  "etymology_text": "With reference to Exodus X.21-2: “Yahweh then said to Moses, ‘Stretch out your hand towards heaven, and let darkness, darkness so thick that it can be felt, cover Egypt.’ So Moses stretched out his hand towards heaven, and for three days there was thick darkness over the whole of Egypt.”",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Egyptian darkness (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from the Bible",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "1933, Dorothy Sayers, Murder Must Advertise, Harcourt, Brace, page 146",
          "text": "Except for the shaft of light thrown by her own headlamps, the darkness was Egyptian.",
          "type": "quotation"
        },
        {
          "ref": "1970, Margarete Orga, editor, The House on the Fontanka, Kimber, page 67",
          "text": "'An Egyptian darkness,' Demyan Lukich remarked, lifting the blind a little.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Very intense darkness."
      ],
      "links": [
        [
          "Very",
          "very"
        ],
        [
          "intense",
          "intense"
        ],
        [
          "darkness",
          "darkness"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "Egyptian darkness"
}