"давно" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "да́вний",
        "3": "-о́"
      },
      "expansion": "да́вний (dávnij) + -о́ (-ó)",
      "name": "af"
    },
    {
      "args": {
        "1": "cs",
        "2": "dávno"
      },
      "expansion": "Czech dávno",
      "name": "cog"
    },
    {
      "args": {
        "1": "pl",
        "2": "dawno"
      },
      "expansion": "Polish dawno",
      "name": "cog"
    }
  ],
  "etymology_text": "да́вний (dávnij) + -о́ (-ó). Compare Czech dávno and Polish dawno.",
  "forms": [
    {
      "form": "давно́",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "davnó",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "давне́нько",
      "tags": [
        "diminutive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "давно́",
        "dim": "давне́нько"
      },
      "expansion": "давно́ • (davnó) (diminutive давне́нько)",
      "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"
        },
        {
          "kind": "other",
          "name": "Russian terms suffixed with -о",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Time",
          "orig": "ru:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "long ago"
      ],
      "id": "en-давно-ru-adv-x5hDSAv6",
      "links": [
        [
          "long ago",
          "long ago"
        ]
      ],
      "related": [
        {
          "roman": "dávnij",
          "word": "да́вний"
        },
        {
          "roman": "davným-davnó",
          "word": "давны́м-давно́"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɐvˈno]"
    },
    {
      "audio": "Ru-давно.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8e/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8e/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg",
      "text": "Audio"
    }
  ],
  "word": "давно"
}

{
  "categories": [
    "uk:Time"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "да́вний",
        "3": "-о́"
      },
      "expansion": "да́вний (dávnij) + -о́ (-ó)",
      "name": "af"
    },
    {
      "args": {
        "1": "cs",
        "2": "dávno"
      },
      "expansion": "Czech dávno",
      "name": "cog"
    },
    {
      "args": {
        "1": "pl",
        "2": "dawno"
      },
      "expansion": "Polish dawno",
      "name": "cog"
    }
  ],
  "etymology_text": "да́вний (dávnij) + -о́ (-ó). Compare Czech dávno and Polish dawno.",
  "forms": [
    {
      "form": "давно́",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "davnó",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "давне́нько",
      "tags": [
        "diminutive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "давно́",
        "dim": "давне́нько"
      },
      "expansion": "давно́ • (davnó) (diminutive давне́нько)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "dávnij",
      "word": "да́вний"
    },
    {
      "roman": "davným-davnó",
      "word": "давны́м-давно́"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms suffixed with -о",
        "Russian terms with IPA pronunciation",
        "Russian terms with audio links",
        "ru:Time"
      ],
      "glosses": [
        "long ago"
      ],
      "links": [
        [
          "long ago",
          "long ago"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɐvˈno]"
    },
    {
      "audio": "Ru-давно.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8e/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8e/Ru-%D0%B4%D0%B0%D0%B2%D0%BD%D0%BE.ogg",
      "text": "Audio"
    }
  ],
  "word": "давно"
}