"istnienie" meaning in Old Polish

{
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "istnąć",
        "3": "-enie"
      },
      "expansion": "istnąć + -enie",
      "name": "af"
    },
    {
      "args": {
        "1": "end of the 15th century"
      },
      "expansion": "the end of the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "end of the 15th century"
      },
      "expansion": "First attested in the end of the 15th century",
      "name": "etydate"
    }
  ],
  "etymology_text": "From istnąć + -enie. First attested in the end of the 15th century.",
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "istnienie n",
      "name": "zlw-opl-noun"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lesser Poland Old Polish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish quotations with omitted translation",
          "parents": [
            "Quotations with omitted translation",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish terms suffixed with -enie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "62 2 36",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 1 46",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1874-1891 [End of the 15th century], Rozprawy i Sprawozdania z Posiedzeń Wydziału Filologicznego Akademii Umiejętności, volume XLVII, Radom, page 350:",
          "text": "Ystnye[nie] essentiam",
          "type": "quote"
        }
      ],
      "glosses": [
        "essence (what is essential and main in being)"
      ],
      "id": "en-istnienie-zlw-opl-noun-9xUogwkl",
      "links": [
        [
          "essence",
          "essence"
        ]
      ],
      "qualifier": "attested in Lesser Poland",
      "raw_glosses": [
        "(attested in Lesser Poland) essence (what is essential and main in being)"
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/istɲɛɲɛː/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/istɲɛɲe/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "istnienie"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "pl:Philosophy"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "istnąć",
        "3": "-enie"
      },
      "expansion": "istnąć + -enie",
      "name": "af"
    },
    {
      "args": {
        "1": "end of the 15th century"
      },
      "expansion": "the end of the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "end of the 15th century"
      },
      "expansion": "First attested in the end of the 15th century",
      "name": "etydate"
    }
  ],
  "etymology_text": "From istnąć + -enie. First attested in the end of the 15th century.",
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "istnienie n",
      "name": "zlw-opl-noun"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Lesser Poland Old Polish",
        "Old Polish entries with incorrect language header",
        "Old Polish lemmas",
        "Old Polish neuter nouns",
        "Old Polish nouns",
        "Old Polish quotations with omitted translation",
        "Old Polish terms suffixed with -enie",
        "Old Polish terms with IPA pronunciation",
        "Old Polish terms with quotations",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1874-1891 [End of the 15th century], Rozprawy i Sprawozdania z Posiedzeń Wydziału Filologicznego Akademii Umiejętności, volume XLVII, Radom, page 350:",
          "text": "Ystnye[nie] essentiam",
          "type": "quote"
        }
      ],
      "glosses": [
        "essence (what is essential and main in being)"
      ],
      "links": [
        [
          "essence",
          "essence"
        ]
      ],
      "qualifier": "attested in Lesser Poland",
      "raw_glosses": [
        "(attested in Lesser Poland) essence (what is essential and main in being)"
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/istɲɛɲɛː/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/istɲɛɲe/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "istnienie"
}