"trapassato prossimo" meaning in Italian

{
  "forms": [
    {
      "form": "trapassati prossimi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "trapassato prossimo m (plural trapassati prossimi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Grammar",
          "orig": "it:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Tenses",
          "orig": "it:Tenses",
          "parents": [
            "Grammar",
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the pluperfect tense, plusquamperfect, preterpluperfect, the past perfect tense"
      ],
      "id": "en-trapassato_prossimo-it-noun-Tadc~POq",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "pluperfect tense",
          "pluperfect tense"
        ],
        [
          "plusquamperfect",
          "plusquamperfect"
        ],
        [
          "preterpluperfect",
          "preterpluperfect"
        ],
        [
          "past perfect",
          "past perfect"
        ],
        [
          "tense",
          "tense"
        ]
      ],
      "raw_glosses": [
        "(grammar) the pluperfect tense, plusquamperfect, preterpluperfect, the past perfect tense"
      ],
      "related": [
        {
          "tags": [
            "present"
          ],
          "word": "presente"
        },
        {
          "tags": [
            "perfect",
            "present"
          ],
          "word": "passato prossimo"
        },
        {
          "english": "imperfect tense, past tense",
          "word": "imperfetto"
        },
        {
          "english": "past historic tense",
          "word": "passato remoto"
        },
        {
          "tags": [
            "historic",
            "past",
            "perfect"
          ],
          "word": "trapassato remoto"
        },
        {
          "english": "future tense",
          "word": "futuro semplice"
        },
        {
          "tags": [
            "future",
            "perfect"
          ],
          "word": "futuro anteriore"
        }
      ],
      "synonyms": [
        {
          "word": "piuccheperfetto"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "trapassato prossimo"
}

{
  "forms": [
    {
      "form": "trapassati prossimi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "trapassato prossimo m (plural trapassati prossimi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "present"
      ],
      "word": "presente"
    },
    {
      "tags": [
        "perfect",
        "present"
      ],
      "word": "passato prossimo"
    },
    {
      "english": "imperfect tense, past tense",
      "word": "imperfetto"
    },
    {
      "english": "past historic tense",
      "word": "passato remoto"
    },
    {
      "tags": [
        "historic",
        "past",
        "perfect"
      ],
      "word": "trapassato remoto"
    },
    {
      "english": "future tense",
      "word": "futuro semplice"
    },
    {
      "tags": [
        "future",
        "perfect"
      ],
      "word": "futuro anteriore"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian multiword terms",
        "Italian nouns",
        "it:Grammar",
        "it:Tenses"
      ],
      "glosses": [
        "the pluperfect tense, plusquamperfect, preterpluperfect, the past perfect tense"
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "pluperfect tense",
          "pluperfect tense"
        ],
        [
          "plusquamperfect",
          "plusquamperfect"
        ],
        [
          "preterpluperfect",
          "preterpluperfect"
        ],
        [
          "past perfect",
          "past perfect"
        ],
        [
          "tense",
          "tense"
        ]
      ],
      "raw_glosses": [
        "(grammar) the pluperfect tense, plusquamperfect, preterpluperfect, the past perfect tense"
      ],
      "synonyms": [
        {
          "word": "piuccheperfetto"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "trapassato prossimo"
}