"до-" meaning in Bulgarian

{
  "etymology_templates": [
    {
      "args": {
        "1": "bg",
        "2": "sla-pro",
        "3": "*do"
      },
      "expansion": "Proto-Slavic *do",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *do.",
  "forms": [
    {
      "form": "do-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "prefix"
      },
      "expansion": "до- • (do-)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "prefix",
  "related": [
    {
      "_dis1": "0 0",
      "english": "do",
      "word": "до"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "up to, until, ad-"
      ],
      "id": "en-до--bg-prefix-ERYMYqW0",
      "links": [
        [
          "up to",
          "up to"
        ],
        [
          "until",
          "until"
        ],
        [
          "ad-",
          "ad-"
        ]
      ],
      "raw_glosses": [
        "(used with verbs) up to, until, ad-"
      ],
      "raw_tags": [
        "used with verbs"
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "completely, fully (describing a completion of an action to its end)"
      ],
      "id": "en-до--bg-prefix-a46wGIU4",
      "links": [
        [
          "completely",
          "completely"
        ],
        [
          "fully",
          "fully"
        ]
      ],
      "raw_glosses": [
        "(used with verbs) completely, fully (describing a completion of an action to its end)"
      ],
      "raw_tags": [
        "used with verbs"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɔ-]"
    },
    {
      "audio": "LL-Q7918 (bul)-Kiril kovachev-до-.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "до-"
}

{
  "categories": [
    "Bulgarian entries with incorrect language header",
    "Bulgarian lemmas",
    "Bulgarian prefixes",
    "Bulgarian terms derived from Proto-Slavic",
    "Bulgarian terms inherited from Proto-Slavic",
    "Bulgarian terms with IPA pronunciation",
    "Bulgarian terms with audio links"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "bg",
        "2": "sla-pro",
        "3": "*do"
      },
      "expansion": "Proto-Slavic *do",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *do.",
  "forms": [
    {
      "form": "do-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "prefix"
      },
      "expansion": "до- • (do-)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "prefix",
  "related": [
    {
      "english": "do",
      "word": "до"
    }
  ],
  "senses": [
    {
      "glosses": [
        "up to, until, ad-"
      ],
      "links": [
        [
          "up to",
          "up to"
        ],
        [
          "until",
          "until"
        ],
        [
          "ad-",
          "ad-"
        ]
      ],
      "raw_glosses": [
        "(used with verbs) up to, until, ad-"
      ],
      "raw_tags": [
        "used with verbs"
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "completely, fully (describing a completion of an action to its end)"
      ],
      "links": [
        [
          "completely",
          "completely"
        ],
        [
          "fully",
          "fully"
        ]
      ],
      "raw_glosses": [
        "(used with verbs) completely, fully (describing a completion of an action to its end)"
      ],
      "raw_tags": [
        "used with verbs"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɔ-]"
    },
    {
      "audio": "LL-Q7918 (bul)-Kiril kovachev-до-.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav/LL-Q7918_%28bul%29-Kiril_kovachev-%D0%B4%D0%BE-.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "до-"
}