"économie de subsistance" meaning in French

{
  "forms": [
    {
      "form": "économies de subsistance",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "~"
      },
      "expansion": "économie de subsistance f (countable and uncountable, plural économies de subsistance)",
      "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"
        }
      ],
      "glosses": [
        "subsistence economy"
      ],
      "id": "en-économie_de_subsistance-fr-noun-4YZB5exd",
      "links": [
        [
          "subsistence economy",
          "subsistence economy"
        ]
      ],
      "related": [
        {
          "word": "agriculture de subsistance"
        }
      ],
      "tags": [
        "countable",
        "feminine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.kɔ.nɔ.mi d(ə) syb.zis.tɑ̃s/"
    }
  ],
  "word": "économie de subsistance"
}

{
  "forms": [
    {
      "form": "économies de subsistance",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "~"
      },
      "expansion": "économie de subsistance f (countable and uncountable, plural économies de subsistance)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "agriculture de subsistance"
    }
  ],
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "French uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "subsistence economy"
      ],
      "links": [
        [
          "subsistence economy",
          "subsistence economy"
        ]
      ],
      "tags": [
        "countable",
        "feminine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.kɔ.nɔ.mi d(ə) syb.zis.tɑ̃s/"
    }
  ],
  "word": "économie de subsistance"
}