"bladość" meaning in Old Polish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "bladość"
          },
          "expansion": "Polish: bladość",
          "name": "desc"
        }
      ],
      "text": "Polish: bladość"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "zlw-opl",
        "2": "sla-pro",
        "3": "*blědostь",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Proto-Slavic *blědostь",
      "name": "inh"
    },
    {
      "args": {
        "1": "zlw-opl",
        "2": "sla-pro",
        "3": "*blědostь"
      },
      "expansion": "Inherited from Proto-Slavic *blědostь",
      "name": "inh+"
    },
    {
      "args": {
        "1": "pl",
        "2": "blady",
        "3": "-ość"
      },
      "expansion": "By surface analysis, blady + -ość",
      "name": "surf"
    },
    {
      "args": {
        "1": "end of the 14th century"
      },
      "expansion": "the end of the 14th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "end of the 14th century"
      },
      "expansion": "First attested in the end of the 14th century.",
      "name": "etydate"
    }
  ],
  "etymology_text": "Inherited from Proto-Slavic *blědostь. By surface analysis, blady + -ość. First attested in the end of the 14th century.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "bladość f",
      "name": "zlw-opl-noun"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish terms suffixed with -ość",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "paleness"
      ],
      "id": "en-bladość-zlw-opl-noun-u-PmdwrW",
      "links": [
        [
          "paleness",
          "paleness"
        ]
      ],
      "related": [
        {
          "word": "blady"
        },
        {
          "word": "bladzieć"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/blʲadɔɕt͡ɕ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/blʲadɔɕt͡ɕ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "bladość"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "bladość"
          },
          "expansion": "Polish: bladość",
          "name": "desc"
        }
      ],
      "text": "Polish: bladość"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "zlw-opl",
        "2": "sla-pro",
        "3": "*blědostь",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Proto-Slavic *blědostь",
      "name": "inh"
    },
    {
      "args": {
        "1": "zlw-opl",
        "2": "sla-pro",
        "3": "*blědostь"
      },
      "expansion": "Inherited from Proto-Slavic *blědostь",
      "name": "inh+"
    },
    {
      "args": {
        "1": "pl",
        "2": "blady",
        "3": "-ość"
      },
      "expansion": "By surface analysis, blady + -ość",
      "name": "surf"
    },
    {
      "args": {
        "1": "end of the 14th century"
      },
      "expansion": "the end of the 14th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "end of the 14th century"
      },
      "expansion": "First attested in the end of the 14th century.",
      "name": "etydate"
    }
  ],
  "etymology_text": "Inherited from Proto-Slavic *blědostь. By surface analysis, blady + -ość. First attested in the end of the 14th century.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "bladość f",
      "name": "zlw-opl-noun"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "noun",
  "related": [
    {
      "word": "blady"
    },
    {
      "word": "bladzieć"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Polish entries with incorrect language header",
        "Old Polish feminine nouns",
        "Old Polish lemmas",
        "Old Polish nouns",
        "Old Polish terms derived from Proto-Slavic",
        "Old Polish terms inherited from Proto-Slavic",
        "Old Polish terms with IPA pronunciation",
        "Polish terms suffixed with -ość"
      ],
      "glosses": [
        "paleness"
      ],
      "links": [
        [
          "paleness",
          "paleness"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/blʲadɔɕt͡ɕ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/blʲadɔɕt͡ɕ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "bladość"
}