"prolegate" meaning in English

{
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        "2": "la",
        "3": "prolegatus"
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      "expansion": "Latin prolegatus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin prolegatus, from pro (“for”) + legatus (“legate”).",
  "forms": [
    {
      "form": "prolegates",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "prolegate (plural prolegates)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "The deputy or substitute legate."
      ],
      "id": "en-prolegate-en-noun-gvmd7Bh7",
      "links": [
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "deputy",
          "deputy"
        ],
        [
          "substitute",
          "substitute"
        ],
        [
          "legate",
          "legate"
        ]
      ],
      "raw_glosses": [
        "(Ancient Rome) The deputy or substitute legate."
      ],
      "tags": [
        "Ancient-Rome"
      ]
    }
  ],
  "word": "prolegate"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "prolegatus"
      },
      "expansion": "Latin prolegatus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin prolegatus, from pro (“for”) + legatus (“legate”).",
  "forms": [
    {
      "form": "prolegates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "prolegate (plural prolegates)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The deputy or substitute legate."
      ],
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          "Ancient Rome",
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        [
          "deputy",
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        [
          "legate",
          "legate"
        ]
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      "raw_glosses": [
        "(Ancient Rome) The deputy or substitute legate."
      ],
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      ]
    }
  ],
  "word": "prolegate"
}