"etnologo" meaning in Ido

{
  "forms": [
    {
      "form": "etnologi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": ""
      },
      "expansion": "etnologo",
      "name": "head"
    },
    {
      "args": {
        "1": "etnolog"
      },
      "expansion": "etnologo (plural etnologi)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "io",
          "name": "Anthropology",
          "orig": "io:Anthropology",
          "parents": [
            "Social sciences",
            "Zoology",
            "Sciences",
            "Society",
            "Biology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "io",
          "name": "Scientists",
          "orig": "io:Scientists",
          "parents": [
            "Occupations",
            "Sciences",
            "People",
            "Work",
            "All topics",
            "Human",
            "Human activity",
            "Fundamental",
            "Human behaviour"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ethnologist"
      ],
      "id": "en-etnologo-io-noun-Vi-ZEIZx",
      "links": [
        [
          "ethnologist",
          "ethnologist"
        ]
      ],
      "related": [
        {
          "word": "etnologio"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/etnoˈloɡo/"
    }
  ],
  "word": "etnologo"
}

{
  "forms": [
    {
      "form": "etnologi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": ""
      },
      "expansion": "etnologo",
      "name": "head"
    },
    {
      "args": {
        "1": "etnolog"
      },
      "expansion": "etnologo (plural etnologi)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
  "related": [
    {
      "word": "etnologio"
    }
  ],
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido lemmas",
        "Ido nouns",
        "Ido terms with IPA pronunciation",
        "io:Anthropology",
        "io:Scientists"
      ],
      "glosses": [
        "ethnologist"
      ],
      "links": [
        [
          "ethnologist",
          "ethnologist"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/etnoˈloɡo/"
    }
  ],
  "word": "etnologo"
}