"niewymowny" meaning in Old Polish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "niewymowny"
          },
          "expansion": "Polish: niewymowny",
          "name": "desc"
        }
      ],
      "text": "Polish: niewymowny"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "nie-",
        "3": "wymowny"
      },
      "expansion": "nie- + wymowny",
      "name": "af"
    },
    {
      "args": {
        "1": "1413"
      },
      "expansion": "1413",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "1413"
      },
      "expansion": "First attested in 1413.",
      "name": "etydate"
    }
  ],
  "etymology_text": "From nie- + wymowny. First attested in 1413.",
  "head_templates": [
    {
      "args": {
        "adv": "niewymownie"
      },
      "expansion": "niewymowny (derived adverb niewymownie)",
      "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": "other",
          "name": "Old Polish terms prefixed with nie-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "indescribable"
      ],
      "id": "en-niewymowny-zlw-opl-adj-cToqTtuO",
      "links": [
        [
          "indescribable",
          "indescribable"
        ]
      ],
      "related": [
        {
          "word": "niewymowiący"
        },
        {
          "word": "niewymówiony"
        },
        {
          "word": "wymowny"
        },
        {
          "word": "wymówiony"
        },
        {
          "word": "wymawianie"
        },
        {
          "word": "wymowa"
        },
        {
          "word": "wymowność"
        },
        {
          "word": "wymówca"
        },
        {
          "word": "wymówienie"
        },
        {
          "word": "wymówka"
        },
        {
          "tags": [
            "imperfective"
          ],
          "word": "mówić"
        },
        {
          "tags": [
            "perfective"
          ],
          "word": "wymówić"
        },
        {
          "tags": [
            "imperfective"
          ],
          "word": "wymawiać"
        }
      ],
      "synonyms": [
        {
          "word": "niewymowiący"
        },
        {
          "word": "niewymówiony"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɲɛvɨmɔvnɨː/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/ɲɛvɨmɔvnɨ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "niewymowny"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "niewymowny"
          },
          "expansion": "Polish: niewymowny",
          "name": "desc"
        }
      ],
      "text": "Polish: niewymowny"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "nie-",
        "3": "wymowny"
      },
      "expansion": "nie- + wymowny",
      "name": "af"
    },
    {
      "args": {
        "1": "1413"
      },
      "expansion": "1413",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "1413"
      },
      "expansion": "First attested in 1413.",
      "name": "etydate"
    }
  ],
  "etymology_text": "From nie- + wymowny. First attested in 1413.",
  "head_templates": [
    {
      "args": {
        "adv": "niewymownie"
      },
      "expansion": "niewymowny (derived adverb niewymownie)",
      "name": "zlw-opl-adj"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "adj",
  "related": [
    {
      "word": "niewymowiący"
    },
    {
      "word": "niewymówiony"
    },
    {
      "word": "wymowny"
    },
    {
      "word": "wymówiony"
    },
    {
      "word": "wymawianie"
    },
    {
      "word": "wymowa"
    },
    {
      "word": "wymowność"
    },
    {
      "word": "wymówca"
    },
    {
      "word": "wymówienie"
    },
    {
      "word": "wymówka"
    },
    {
      "tags": [
        "imperfective"
      ],
      "word": "mówić"
    },
    {
      "tags": [
        "perfective"
      ],
      "word": "wymówić"
    },
    {
      "tags": [
        "imperfective"
      ],
      "word": "wymawiać"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Polish adjectives",
        "Old Polish entries with incorrect language header",
        "Old Polish lemmas",
        "Old Polish terms prefixed with nie-",
        "Old Polish terms with IPA pronunciation"
      ],
      "glosses": [
        "indescribable"
      ],
      "links": [
        [
          "indescribable",
          "indescribable"
        ]
      ],
      "synonyms": [
        {
          "word": "niewymowiący"
        },
        {
          "word": "niewymówiony"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɲɛvɨmɔvnɨː/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/ɲɛvɨmɔvnɨ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "niewymowny"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: derived adverb niewymownie",
  "path": [
    "niewymowny"
  ],
  "section": "Old Polish",
  "subsection": "adjective",
  "title": "niewymowny",
  "trace": ""
}