"eficacia" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "efficacia"
      },
      "expansion": "Latin efficacia",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin efficacia.",
  "forms": [
    {
      "form": "eficacias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "eficacia f (plural eficacias)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "e‧fi‧ca‧cia"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "eficaz"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "efficacy"
      ],
      "id": "en-eficacia-es-noun-xWGz33vM",
      "links": [
        [
          "efficacy",
          "efficacy"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "effectiveness"
      ],
      "id": "en-eficacia-es-noun-kgCTwXMX",
      "links": [
        [
          "effectiveness",
          "effectiveness"
        ]
      ],
      "synonyms": [
        {
          "word": "efectividad"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/efiˈkaθja/",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "[e.fiˈka.θja]",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "/efiˈkasja/",
      "tags": [
        "Latin-America",
        "Philippines"
      ]
    },
    {
      "ipa": "[e.fiˈka.sja]",
      "tags": [
        "Latin-America",
        "Philippines"
      ]
    },
    {
      "rhymes": "-aθja"
    },
    {
      "rhymes": "-asja"
    }
  ],
  "word": "eficacia"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:Spanish/asja",
    "Rhymes:Spanish/asja/4 syllables",
    "Rhymes:Spanish/aθja",
    "Rhymes:Spanish/aθja/4 syllables",
    "Spanish 4-syllable words",
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish nouns",
    "Spanish terms derived from Latin",
    "Spanish terms with IPA pronunciation"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "efficacia"
      },
      "expansion": "Latin efficacia",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin efficacia.",
  "forms": [
    {
      "form": "eficacias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "eficacia f (plural eficacias)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "e‧fi‧ca‧cia"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "word": "eficaz"
    }
  ],
  "senses": [
    {
      "glosses": [
        "efficacy"
      ],
      "links": [
        [
          "efficacy",
          "efficacy"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "glosses": [
        "effectiveness"
      ],
      "links": [
        [
          "effectiveness",
          "effectiveness"
        ]
      ],
      "synonyms": [
        {
          "word": "efectividad"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/efiˈkaθja/",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "[e.fiˈka.θja]",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "/efiˈkasja/",
      "tags": [
        "Latin-America",
        "Philippines"
      ]
    },
    {
      "ipa": "[e.fiˈka.sja]",
      "tags": [
        "Latin-America",
        "Philippines"
      ]
    },
    {
      "rhymes": "-aθja"
    },
    {
      "rhymes": "-asja"
    }
  ],
  "word": "eficacia"
}