"subsistence level" meaning in English

{
  "forms": [
    {
      "form": "subsistence levels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subsistence level (plural subsistence levels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              47,
              64
            ]
          ],
          "text": "Most families in the village are barely on the subsistence level.",
          "type": "example"
        }
      ],
      "glosses": [
        "The threshold of income at which one's most basic necessities of survival are met."
      ],
      "id": "en-subsistence_level-en-noun-Swjb732i",
      "links": [
        [
          "income",
          "income"
        ],
        [
          "necessities",
          "necessity"
        ]
      ],
      "synonyms": [
        {
          "word": "poverty line"
        },
        {
          "tags": [
            "UK"
          ],
          "word": "breadline"
        }
      ]
    }
  ],
  "word": "subsistence level"
}

{
  "forms": [
    {
      "form": "subsistence levels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subsistence level (plural subsistence levels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              47,
              64
            ]
          ],
          "text": "Most families in the village are barely on the subsistence level.",
          "type": "example"
        }
      ],
      "glosses": [
        "The threshold of income at which one's most basic necessities of survival are met."
      ],
      "links": [
        [
          "income",
          "income"
        ],
        [
          "necessities",
          "necessity"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "poverty line"
    },
    {
      "tags": [
        "UK"
      ],
      "word": "breadline"
    }
  ],
  "word": "subsistence level"
}