"издавна" meaning in Bulgarian

{
  "etymology_templates": [
    {
      "args": {
        "1": "sla-pro",
        "2": "*davьnъ",
        "3": "",
        "4": "ancient, past"
      },
      "expansion": "Proto-Slavic *davьnъ (“ancient, past”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Formed from the ancestor of из (iz, “from”) + the genitive of Proto-Slavic *davьnъ (“ancient, past”).",
  "forms": [
    {
      "form": "изда́вна",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "izdávna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "изда́вна",
        "2": "-"
      },
      "expansion": "изда́вна • (izdávna) (not comparable)",
      "name": "bg-adv"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "since long ago"
      ],
      "id": "en-издавна-bg-adv-O5vo6PHW",
      "links": [
        [
          "long",
          "long"
        ],
        [
          "ago",
          "ago"
        ]
      ],
      "raw_glosses": [
        "(archaic) since long ago"
      ],
      "related": [
        {
          "english": "not long ago",
          "roman": "nedavna",
          "tags": [
            "archaic"
          ],
          "word": "недавна"
        },
        {
          "english": "long ago",
          "roman": "otdavna",
          "word": "отдавна"
        }
      ],
      "tags": [
        "archaic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[izˈdavnɐ]"
    },
    {
      "audio": "LL-Q7918 (bul)-Kiril kovachev-издавна.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "издавна"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sla-pro",
        "2": "*davьnъ",
        "3": "",
        "4": "ancient, past"
      },
      "expansion": "Proto-Slavic *davьnъ (“ancient, past”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Formed from the ancestor of из (iz, “from”) + the genitive of Proto-Slavic *davьnъ (“ancient, past”).",
  "forms": [
    {
      "form": "изда́вна",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "izdávna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "изда́вна",
        "2": "-"
      },
      "expansion": "изда́вна • (izdávna) (not comparable)",
      "name": "bg-adv"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "adv",
  "related": [
    {
      "english": "not long ago",
      "roman": "nedavna",
      "tags": [
        "archaic"
      ],
      "word": "недавна"
    },
    {
      "english": "long ago",
      "roman": "otdavna",
      "word": "отдавна"
    }
  ],
  "senses": [
    {
      "categories": [
        "Bulgarian adverbs",
        "Bulgarian entries with incorrect language header",
        "Bulgarian lemmas",
        "Bulgarian terms with IPA pronunciation",
        "Bulgarian terms with archaic senses",
        "Bulgarian terms with audio links",
        "Bulgarian uncomparable adverbs"
      ],
      "glosses": [
        "since long ago"
      ],
      "links": [
        [
          "long",
          "long"
        ],
        [
          "ago",
          "ago"
        ]
      ],
      "raw_glosses": [
        "(archaic) since long ago"
      ],
      "tags": [
        "archaic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[izˈdavnɐ]"
    },
    {
      "audio": "LL-Q7918 (bul)-Kiril kovachev-издавна.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B8%D0%B7%D0%B4%D0%B0%D0%B2%D0%BD%D0%B0.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "издавна"
}