"pięćdziesiąty" meaning in Old Polish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "pięćdziesiąty"
          },
          "expansion": "Polish: pięćdziesiąty",
          "name": "desc"
        }
      ],
      "text": "Polish: pięćdziesiąty"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "szl",
            "2": "piyńdziesiōnty"
          },
          "expansion": "Silesian: piyńdziesiōnty",
          "name": "desc"
        }
      ],
      "text": "Silesian: piyńdziesiōnty"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "pięćdziesiąt",
        "3": "-y"
      },
      "expansion": "pięćdziesiąt + -y",
      "name": "af"
    },
    {
      "args": {
        "1": "second half of the 15th century"
      },
      "expansion": "the second half of the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "second half of the 15th century"
      },
      "expansion": "First attested in the second half of the 15th century",
      "name": "etydate"
    }
  ],
  "etymology_text": "From pięćdziesiąt + -y. First attested in the second half of the 15th century.",
  "head_templates": [
    {
      "args": {},
      "expansion": "pięćdziesiąty",
      "name": "zlw-opl-adj"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Old Polish ordinal numbers",
          "parents": [
            "Ordinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish terms suffixed with -y",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "fiftieth"
      ],
      "id": "en-pięćdziesiąty-zlw-opl-adj-kxXK-ULe",
      "links": [
        [
          "fiftieth",
          "fiftieth"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pjæ̃d͡ʑd͡ʑɛɕɑ̃tɨ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/pjæ̃d͡ʑd͡ʑɛɕɑ̃tɨ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "pięćdziesiąty"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "pięćdziesiąty"
          },
          "expansion": "Polish: pięćdziesiąty",
          "name": "desc"
        }
      ],
      "text": "Polish: pięćdziesiąty"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "szl",
            "2": "piyńdziesiōnty"
          },
          "expansion": "Silesian: piyńdziesiōnty",
          "name": "desc"
        }
      ],
      "text": "Silesian: piyńdziesiōnty"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "pięćdziesiąt",
        "3": "-y"
      },
      "expansion": "pięćdziesiąt + -y",
      "name": "af"
    },
    {
      "args": {
        "1": "second half of the 15th century"
      },
      "expansion": "the second half of the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "second half of the 15th century"
      },
      "expansion": "First attested in the second half of the 15th century",
      "name": "etydate"
    }
  ],
  "etymology_text": "From pięćdziesiąt + -y. First attested in the second half of the 15th century.",
  "head_templates": [
    {
      "args": {},
      "expansion": "pięćdziesiąty",
      "name": "zlw-opl-adj"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Old Polish adjectives",
        "Old Polish entries with incorrect language header",
        "Old Polish lemmas",
        "Old Polish ordinal numbers",
        "Old Polish terms suffixed with -y",
        "Old Polish terms with IPA pronunciation",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "fiftieth"
      ],
      "links": [
        [
          "fiftieth",
          "fiftieth"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pjæ̃d͡ʑd͡ʑɛɕɑ̃tɨ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/pjæ̃d͡ʑd͡ʑɛɕɑ̃tɨ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "pięćdziesiąty"
}