"prebubble" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "bubble"
      },
      "expansion": "pre- + bubble",
      "name": "prefix"
    }
  ],
  "etymology_text": "pre- + bubble",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "prebubble (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pre-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009 May 22, Claire Cain Miller, “Two Technology Offerings Find Favor on Wall Street”, in New York Times",
          "text": "Even if it becomes easier for small technology companies to go public, he said, “the new normal” will probably be an average of 50 venture-backed public offerings a year, down from 125 in the prebubble days and 260 at the height of the bubble.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Before a financial bubble."
      ],
      "id": "en-prebubble-en-adj-F30UvrKa",
      "links": [
        [
          "financial",
          "financial"
        ],
        [
          "bubble",
          "bubble"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "prebubble"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "bubble"
      },
      "expansion": "pre- + bubble",
      "name": "prefix"
    }
  ],
  "etymology_text": "pre- + bubble",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "prebubble (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with pre-",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2009 May 22, Claire Cain Miller, “Two Technology Offerings Find Favor on Wall Street”, in New York Times",
          "text": "Even if it becomes easier for small technology companies to go public, he said, “the new normal” will probably be an average of 50 venture-backed public offerings a year, down from 125 in the prebubble days and 260 at the height of the bubble.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Before a financial bubble."
      ],
      "links": [
        [
          "financial",
          "financial"
        ],
        [
          "bubble",
          "bubble"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "prebubble"
}