"crise de la quarantaine" meaning in French

{
  "forms": [
    {
      "form": "crises de la quarantaine",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "crise de la quarantaine m (plural crises de la quarantaine)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Psychology",
          "orig": "fr:Psychology",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "mid-life crisis"
      ],
      "id": "en-crise_de_la_quarantaine-fr-noun-I1b9q6Eg",
      "links": [
        [
          "mid-life crisis",
          "mid-life crisis"
        ]
      ],
      "related": [
        {
          "word": "démon de midi"
        },
        {
          "word": "crise existentielle"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʁiz də la ka.ʁɑ̃.tɛn/"
    }
  ],
  "word": "crise de la quarantaine"
}

{
  "forms": [
    {
      "form": "crises de la quarantaine",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "crise de la quarantaine m (plural crises de la quarantaine)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "démon de midi"
    },
    {
      "word": "crise existentielle"
    }
  ],
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Psychology"
      ],
      "glosses": [
        "mid-life crisis"
      ],
      "links": [
        [
          "mid-life crisis",
          "mid-life crisis"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʁiz də la ka.ʁɑ̃.tɛn/"
    }
  ],
  "word": "crise de la quarantaine"
}