"subperiod" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "period"
      },
      "expansion": "sub- + period",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + period",
  "forms": [
    {
      "form": "subperiods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subperiod (plural subperiods)",
      "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": "English terms prefixed with sub-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 September 15, “Profitability of Contrarian Strategies in the Chinese Stock Market”, in PLOS ONE, →DOI",
          "text": "First, we perform subperiod analysis through dividing the whole sample period into two subperiods delimited by the onset of the largest and most infamous crash in the history of China’s stock market.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A period making up part of a larger period."
      ],
      "id": "en-subperiod-en-noun-yG1GKrBC",
      "links": [
        [
          "period",
          "period"
        ]
      ]
    }
  ],
  "word": "subperiod"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "period"
      },
      "expansion": "sub- + period",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + period",
  "forms": [
    {
      "form": "subperiods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subperiod (plural subperiods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2015 September 15, “Profitability of Contrarian Strategies in the Chinese Stock Market”, in PLOS ONE, →DOI",
          "text": "First, we perform subperiod analysis through dividing the whole sample period into two subperiods delimited by the onset of the largest and most infamous crash in the history of China’s stock market.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A period making up part of a larger period."
      ],
      "links": [
        [
          "period",
          "period"
        ]
      ]
    }
  ],
  "word": "subperiod"
}