"des fois" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "des",
        "3": "fois"
      },
      "expansion": "des + fois",
      "name": "af"
    }
  ],
  "etymology_text": "From des + fois.",
  "head_templates": [
    {
      "args": {},
      "expansion": "des fois",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "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": "Time",
          "orig": "fr:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sometimes"
      ],
      "id": "en-des_fois-fr-adv-KOXAZgVa",
      "links": [
        [
          "sometimes",
          "sometimes"
        ]
      ],
      "raw_glosses": [
        "(colloquial, proscribed) sometimes"
      ],
      "synonyms": [
        {
          "word": "parfois"
        },
        {
          "word": "quelquefois"
        }
      ],
      "tags": [
        "colloquial",
        "proscribed"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/de fwa/"
    }
  ],
  "word": "des fois"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "des",
        "3": "fois"
      },
      "expansion": "des + fois",
      "name": "af"
    }
  ],
  "etymology_text": "From des + fois.",
  "head_templates": [
    {
      "args": {},
      "expansion": "des fois",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "French adverbs",
        "French colloquialisms",
        "French compound terms",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French proscribed terms",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Time"
      ],
      "glosses": [
        "sometimes"
      ],
      "links": [
        [
          "sometimes",
          "sometimes"
        ]
      ],
      "raw_glosses": [
        "(colloquial, proscribed) sometimes"
      ],
      "synonyms": [
        {
          "word": "parfois"
        },
        {
          "word": "quelquefois"
        }
      ],
      "tags": [
        "colloquial",
        "proscribed"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/de fwa/"
    }
  ],
  "word": "des fois"
}