"la madre del cordero" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "the mother of the lamb"
      },
      "expansion": "“the mother of the lamb”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "the mother of the lamb"
      },
      "expansion": "Literally, “the mother of the lamb”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “the mother of the lamb”.",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "la madre del cordero f (uncountable)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2022 June 14, Natalia Junquera, quoting Ángel Viñas, “Ángel Viñas: “La justicia de Franco se inspiró en la Inquisición y en los nazis””, in El País",
          "text": "En Alemania hubo desnazificación, se fijaron en la Educación. Aquí no hubo desfranquización. Esa es la clave, la madre del cordero.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "the rub; the fact of the matter"
      ],
      "id": "en-la_madre_del_cordero-es-noun-HQob6tqv",
      "links": [
        [
          "rub",
          "rub"
        ],
        [
          "fact of the matter",
          "fact of the matter"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) the rub; the fact of the matter"
      ],
      "tags": [
        "feminine",
        "idiomatic",
        "uncountable"
      ]
    }
  ],
  "word": "la madre del cordero"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "the mother of the lamb"
      },
      "expansion": "“the mother of the lamb”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "the mother of the lamb"
      },
      "expansion": "Literally, “the mother of the lamb”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “the mother of the lamb”.",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "la madre del cordero f (uncountable)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish terms with quotations",
        "Spanish uncountable nouns"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2022 June 14, Natalia Junquera, quoting Ángel Viñas, “Ángel Viñas: “La justicia de Franco se inspiró en la Inquisición y en los nazis””, in El País",
          "text": "En Alemania hubo desnazificación, se fijaron en la Educación. Aquí no hubo desfranquización. Esa es la clave, la madre del cordero.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "the rub; the fact of the matter"
      ],
      "links": [
        [
          "rub",
          "rub"
        ],
        [
          "fact of the matter",
          "fact of the matter"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) the rub; the fact of the matter"
      ],
      "tags": [
        "feminine",
        "idiomatic",
        "uncountable"
      ]
    }
  ],
  "word": "la madre del cordero"
}