"primerísimo" meaning in Spanish

{
  "forms": [
    {
      "form": "primerísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "primerísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "primerísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "primerísimo plano"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2015 December, “La Paciencia: Claudia Sierich y su Sombra de paraíso”, in El Nacional",
          "text": "Sin duda alguna que esta autora está inaugurando un discurso y un tempo propio, uno donde la sedimentación a nivel del lenguaje, sus giros y texturas, están en un primerísimo primer plano.",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "primero"
        }
      ],
      "glosses": [
        "superlative degree of primero"
      ],
      "id": "en-primerísimo-es-adj-KVVdNaJ3",
      "links": [
        [
          "primero",
          "primero#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "word": "primerísimo"
}

{
  "derived": [
    {
      "word": "primerísimo plano"
    }
  ],
  "forms": [
    {
      "form": "primerísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "primerísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "primerísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish adjectives",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish superlative adjectives",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2015 December, “La Paciencia: Claudia Sierich y su Sombra de paraíso”, in El Nacional",
          "text": "Sin duda alguna que esta autora está inaugurando un discurso y un tempo propio, uno donde la sedimentación a nivel del lenguaje, sus giros y texturas, están en un primerísimo primer plano.",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "primero"
        }
      ],
      "glosses": [
        "superlative degree of primero"
      ],
      "links": [
        [
          "primero",
          "primero#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "word": "primerísimo"
}