"do-" meaning in Polish

{
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      "args": {
        "1": "pl",
        "2": "zlw-opl",
        "3": "do",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
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        "sort": "",
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        "ts": ""
      },
      "expansion": "Old Polish do",
      "name": "inh"
    },
    {
      "args": {
        "1": "pl",
        "2": "zlw-opl",
        "3": "do"
      },
      "expansion": "Inherited from Old Polish do",
      "name": "inh+"
    },
    {
      "args": {
        "1": "pl",
        "2": "sla-pro",
        "3": "*do-"
      },
      "expansion": "Proto-Slavic *do-",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old Polish do, from Proto-Slavic *do-.",
  "head_templates": [
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      "expansion": "do-",
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  "hyphenation": [
    "do"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "40 30 30",
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "do- + kończyć → dokończyć",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate completion"
      ],
      "id": "en-do--pl-prefix-D210Bk5b",
      "tags": [
        "morpheme"
      ]
    },
    {
      "examples": [
        {
          "text": "do- + lać → dolać",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate addition or furthering a previous process"
      ],
      "id": "en-do--pl-prefix-0UJQrZsm",
      "tags": [
        "morpheme"
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    },
    {
      "antonyms": [
        {
          "word": "od-"
        },
        {
          "word": "ode-"
        }
      ],
      "examples": [
        {
          "text": "do- + iść → dojść",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate addition or approaching a goal"
      ],
      "id": "en-do--pl-prefix-iKyCcJx7",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɔ/"
    },
    {
      "rhymes": "-ɔ"
    }
  ],
  "word": "do-"
}

{
  "categories": [
    "Polish 1-syllable words",
    "Polish entries with incorrect language header",
    "Polish lemmas",
    "Polish prefixes",
    "Polish terms derived from Old Polish",
    "Polish terms derived from Proto-Slavic",
    "Polish terms inherited from Old Polish",
    "Polish terms inherited from Proto-Slavic",
    "Polish terms with IPA pronunciation",
    "Polish terms with audio links",
    "Rhymes:Polish/ɔ",
    "Rhymes:Polish/ɔ/1 syllable"
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        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
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        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old Polish do",
      "name": "inh"
    },
    {
      "args": {
        "1": "pl",
        "2": "zlw-opl",
        "3": "do"
      },
      "expansion": "Inherited from Old Polish do",
      "name": "inh+"
    },
    {
      "args": {
        "1": "pl",
        "2": "sla-pro",
        "3": "*do-"
      },
      "expansion": "Proto-Slavic *do-",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old Polish do, from Proto-Slavic *do-.",
  "head_templates": [
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      "args": {
        "1": "pl",
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      },
      "expansion": "do-",
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  ],
  "hyphenation": [
    "do"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "examples": [
        {
          "text": "do- + kończyć → dokończyć",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate completion"
      ],
      "tags": [
        "morpheme"
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    },
    {
      "examples": [
        {
          "text": "do- + lać → dolać",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate addition or furthering a previous process"
      ],
      "tags": [
        "morpheme"
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    },
    {
      "antonyms": [
        {
          "word": "od-"
        },
        {
          "word": "ode-"
        }
      ],
      "examples": [
        {
          "text": "do- + iść → dojść",
          "type": "example"
        }
      ],
      "glosses": [
        "appended to verbs to indicate addition or approaching a goal"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɔ/"
    },
    {
      "rhymes": "-ɔ"
    }
  ],
  "word": "do-"
}