"proteo-" meaning in Translingual

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "Proteoarchaeota"
    },
    {
      "_dis1": "0 0",
      "tags": [
        "obsolete"
      ],
      "word": "Proteocarpus"
    },
    {
      "_dis1": "0 0",
      "word": "Proteocephalus"
    },
    {
      "_dis1": "0 0",
      "word": "Proteothrinax"
    },
    {
      "_dis1": "0 0",
      "word": "Proteomyxa"
    },
    {
      "_dis1": "0 0",
      "word": "Proteomonas"
    },
    {
      "_dis1": "0 0",
      "word": "Proteoteras"
    },
    {
      "_dis1": "0 0",
      "word": "Proteodes"
    },
    {
      "_dis1": "0 0",
      "word": "Proteonematalycus"
    },
    {
      "_dis1": "0 0",
      "word": "Proteopharmacis"
    },
    {
      "_dis1": "0 0",
      "word": "Proteostrenia"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "NL.",
        "3": "Prōteus"
      },
      "expansion": "New Latin Prōteus",
      "name": "der"
    },
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "Πρωτεύς",
        "4": "",
        "5": "Proteus, a sea god who could change his shape at will"
      },
      "expansion": "Ancient Greek Πρωτεύς (Prōteús, “Proteus, a sea god who could change his shape at will”)",
      "name": "der"
    }
  ],
  "etymology_text": "New Latin Prōteus, from Ancient Greek Πρωτεύς (Prōteús, “Proteus, a sea god who could change his shape at will”)",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "proteo-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "related": [
    {
      "_dis1": "0 0",
      "word": "prote-"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Form-changing."
      ],
      "id": "en-proteo--mul-prefix-sBf7jjhg",
      "links": [
        [
          "Form",
          "form"
        ],
        [
          "changing",
          "changing"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "Protein."
      ],
      "id": "en-proteo--mul-prefix-GMOslLxq",
      "links": [
        [
          "Protein",
          "protein"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "wikipedia": [
    "Proteus"
  ],
  "word": "proteo-"
}

{
  "categories": [
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual prefixes",
    "Translingual terms derived from Ancient Greek",
    "Translingual terms derived from New Latin"
  ],
  "derived": [
    {
      "word": "Proteoarchaeota"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "Proteocarpus"
    },
    {
      "word": "Proteocephalus"
    },
    {
      "word": "Proteothrinax"
    },
    {
      "word": "Proteomyxa"
    },
    {
      "word": "Proteomonas"
    },
    {
      "word": "Proteoteras"
    },
    {
      "word": "Proteodes"
    },
    {
      "word": "Proteonematalycus"
    },
    {
      "word": "Proteopharmacis"
    },
    {
      "word": "Proteostrenia"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "NL.",
        "3": "Prōteus"
      },
      "expansion": "New Latin Prōteus",
      "name": "der"
    },
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "Πρωτεύς",
        "4": "",
        "5": "Proteus, a sea god who could change his shape at will"
      },
      "expansion": "Ancient Greek Πρωτεύς (Prōteús, “Proteus, a sea god who could change his shape at will”)",
      "name": "der"
    }
  ],
  "etymology_text": "New Latin Prōteus, from Ancient Greek Πρωτεύς (Prōteús, “Proteus, a sea god who could change his shape at will”)",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "proteo-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "related": [
    {
      "word": "prote-"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Form-changing."
      ],
      "links": [
        [
          "Form",
          "form"
        ],
        [
          "changing",
          "changing"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "Protein."
      ],
      "links": [
        [
          "Protein",
          "protein"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "wikipedia": [
    "Proteus"
  ],
  "word": "proteo-"
}