"heart of hearts" meaning in All languages combined

{
  "forms": [
    {
      "form": "hearts of hearts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hearts of hearts"
      },
      "expansion": "heart of hearts (plural hearts of hearts)",
      "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": "Italian links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Serbo-Croatian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "One's innermost private feelings."
      ],
      "id": "en-heart_of_hearts-en-noun-eigtzgAA",
      "links": [
        [
          "innermost",
          "innermost#Adjective"
        ],
        [
          "private",
          "private#Adjective"
        ],
        [
          "feelings",
          "feeling#Noun"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) One's innermost private feelings."
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "one’s innermost private feelings",
          "tags": [
            "adverb"
          ],
          "word": "syvällä sisimmässään"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "one’s innermost private feelings",
          "word": "for intérieur"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "one’s innermost private feelings",
          "word": "cuor proprio"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "one’s innermost private feelings",
          "tags": [
            "Roman",
            "idiomatic"
          ],
          "word": "dno srca"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "one’s innermost private feelings",
          "word": "en su fuero interno"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-heart of hearts.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/En-au-heart_of_hearts.ogg/En-au-heart_of_hearts.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8d/En-au-heart_of_hearts.ogg"
    }
  ],
  "word": "heart of hearts"
}

{
  "forms": [
    {
      "form": "hearts of hearts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hearts of hearts"
      },
      "expansion": "heart of hearts (plural hearts of hearts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "Italian links with redundant wikilinks",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Italian translations",
        "Terms with Serbo-Croatian translations",
        "Terms with Spanish translations"
      ],
      "glosses": [
        "One's innermost private feelings."
      ],
      "links": [
        [
          "innermost",
          "innermost#Adjective"
        ],
        [
          "private",
          "private#Adjective"
        ],
        [
          "feelings",
          "feeling#Noun"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) One's innermost private feelings."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-heart of hearts.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/En-au-heart_of_hearts.ogg/En-au-heart_of_hearts.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8d/En-au-heart_of_hearts.ogg"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "one’s innermost private feelings",
      "tags": [
        "adverb"
      ],
      "word": "syvällä sisimmässään"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "one’s innermost private feelings",
      "word": "for intérieur"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "one’s innermost private feelings",
      "word": "cuor proprio"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "one’s innermost private feelings",
      "tags": [
        "Roman",
        "idiomatic"
      ],
      "word": "dno srca"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "one’s innermost private feelings",
      "word": "en su fuero interno"
    }
  ],
  "word": "heart of hearts"
}