"Borbetomagus" meaning in Latin

{
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      "expansion": "Gaulish",
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        "3": "*magos",
        "t": "field, plain"
      },
      "expansion": "Proto-Celtic *magos (“field, plain”)",
      "name": "der"
    }
  ],
  "etymology_text": "From a Gaulish name of uncertain origin, but generally taken to refer to the Celtic god Borvo or to a river, spring, or other waters named for him + Proto-Celtic *magos (“field, plain”).",
  "forms": [
    {
      "form": "Borbitomagus",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "Bormitomagus",
      "tags": [
        "alternative"
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    }
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      "expansion": "Borbetomagus",
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  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
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          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
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          "source": "w"
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        {
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "la",
          "name": "Cities in Germany",
          "orig": "la:Cities in Germany",
          "parents": [
            "Cities",
            "Places"
          ],
          "source": "w"
        },
        {
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          "name": "Places in Germany",
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      "derived": [
        {
          "alt": "?",
          "word": "Vormatia"
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      ],
      "glosses": [
        "synonym of Vormatia, Worms (a city in Germany), (historical) the largest city of the Vangionēs."
      ],
      "id": "en-Borbetomagus-la-name-AmPfW2YX",
      "links": [
        [
          "Vormatia",
          "Vormatia#Latin"
        ],
        [
          "Worms",
          "Worms#English"
        ],
        [
          "city",
          "city"
        ],
        [
          "Germany",
          "Germany#English"
        ],
        [
          "Vangionēs",
          "Vangionēs"
        ]
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          "word": "Vormatia"
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          "tags": [
            "synonym",
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          "word": "Worms"
        }
      ]
    }
  ],
  "word": "Borbetomagus"
}

{
  "derived": [
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      "alt": "?",
      "word": "Vormatia"
    }
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      "args": {
        "1": "la",
        "2": "cel-pro",
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        "t": "field, plain"
      },
      "expansion": "Proto-Celtic *magos (“field, plain”)",
      "name": "der"
    }
  ],
  "etymology_text": "From a Gaulish name of uncertain origin, but generally taken to refer to the Celtic god Borvo or to a river, spring, or other waters named for him + Proto-Celtic *magos (“field, plain”).",
  "forms": [
    {
      "form": "Borbitomagus",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "Bormitomagus",
      "tags": [
        "alternative"
      ]
    }
  ],
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  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
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          "Vormatia",
          "Vormatia#Latin"
        ],
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          "Worms",
          "Worms#English"
        ],
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          "city"
        ],
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        ],
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          "Vangionēs"
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        },
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          "tags": [
            "synonym",
            "synonym-of"
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          "word": "Worms"
        }
      ]
    }
  ],
  "word": "Borbetomagus"
}