"cnd." meaning in Polish

{
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "phrase"
      },
      "expansion": "cnd.",
      "name": "head"
    }
  ],
  "hyphenation": [
    "[please"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(or co należało dowieść); QED (end of proof)",
          "word": "czego należało dowieść"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with Template:pl-pr without syllabification",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pl",
          "name": "Mathematics",
          "orig": "pl:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of czego należało dowieść, (or co należało dowieść); QED (end of proof)"
      ],
      "id": "en-cnd.-pl-phrase-PITMQ2sF",
      "links": [
        [
          "czego należało dowieść",
          "czego należało dowieść#Polish"
        ],
        [
          "co należało dowieść",
          "co należało dowieść#Polish"
        ],
        [
          "QED",
          "QED"
        ]
      ],
      "synonyms": [
        {
          "word": "c.b.d.o."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡sɛ ˈɛn ˈdɛ/"
    }
  ],
  "word": "cnd."
}

{
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "phrase"
      },
      "expansion": "cnd.",
      "name": "head"
    }
  ],
  "hyphenation": [
    "[please"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(or co należało dowieść); QED (end of proof)",
          "word": "czego należało dowieść"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polish abbreviations",
        "Polish entries with Template:pl-pr without syllabification",
        "Polish entries with incorrect language header",
        "Polish lemmas",
        "Polish phrases",
        "Polish terms spelled with .",
        "Polish terms with IPA pronunciation",
        "pl:Mathematics"
      ],
      "glosses": [
        "Abbreviation of czego należało dowieść, (or co należało dowieść); QED (end of proof)"
      ],
      "links": [
        [
          "czego należało dowieść",
          "czego należało dowieść#Polish"
        ],
        [
          "co należało dowieść",
          "co należało dowieść#Polish"
        ],
        [
          "QED",
          "QED"
        ]
      ],
      "synonyms": [
        {
          "word": "c.b.d.o."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡sɛ ˈɛn ˈdɛ/"
    }
  ],
  "word": "cnd."
}