"невесть" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "не",
        "3": "весть"
      },
      "expansion": "не (ne) + весть (vestʹ)",
      "name": "af"
    },
    {
      "args": {
        "1": "ru",
        "2": "ве́дать",
        "3": "",
        "4": "to know"
      },
      "expansion": "ве́дать (védatʹ, “to know”)",
      "name": "m"
    }
  ],
  "etymology_text": "не (ne) + весть (vestʹ), obsolete third singular present indicative of ве́дать (védatʹ, “to know”).",
  "forms": [
    {
      "form": "неве́сть",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nevéstʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "неве́сть"
      },
      "expansion": "неве́сть • (nevéstʹ)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "out of nowhere / out of who knows where",
          "roman": "nevéstʹ otkúda",
          "text": "неве́сть отку́да",
          "type": "example"
        }
      ],
      "glosses": [
        "God knows (no one knows)"
      ],
      "id": "en-невесть-ru-adv-tQ7rVYgi",
      "links": [
        [
          "God knows",
          "God knows"
        ]
      ],
      "raw_glosses": [
        "(colloquial) God knows (no one knows)"
      ],
      "related": [
        {
          "roman": "védatʹ",
          "word": "ве́дать"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nʲɪˈvʲesʲtʲ]"
    },
    {
      "audio": "LL-Q7737 (rus)-Cinemantique-невесть.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "невесть"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "не",
        "3": "весть"
      },
      "expansion": "не (ne) + весть (vestʹ)",
      "name": "af"
    },
    {
      "args": {
        "1": "ru",
        "2": "ве́дать",
        "3": "",
        "4": "to know"
      },
      "expansion": "ве́дать (védatʹ, “to know”)",
      "name": "m"
    }
  ],
  "etymology_text": "не (ne) + весть (vestʹ), obsolete third singular present indicative of ве́дать (védatʹ, “to know”).",
  "forms": [
    {
      "form": "неве́сть",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nevéstʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "неве́сть"
      },
      "expansion": "неве́сть • (nevéstʹ)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "védatʹ",
      "word": "ве́дать"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian colloquialisms",
        "Russian compound terms",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "Russian terms with audio links",
        "Russian terms with usage examples"
      ],
      "examples": [
        {
          "english": "out of nowhere / out of who knows where",
          "roman": "nevéstʹ otkúda",
          "text": "неве́сть отку́да",
          "type": "example"
        }
      ],
      "glosses": [
        "God knows (no one knows)"
      ],
      "links": [
        [
          "God knows",
          "God knows"
        ]
      ],
      "raw_glosses": [
        "(colloquial) God knows (no one knows)"
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nʲɪˈvʲesʲtʲ]"
    },
    {
      "audio": "LL-Q7737 (rus)-Cinemantique-невесть.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav/LL-Q7737_%28rus%29-Cinemantique-%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D1%8C.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "невесть"
}