"perko" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "perko"
      },
      "expansion": "Esperanto perko",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "la",
        "3": "perca"
      },
      "expansion": "Latin perca",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "grc",
        "3": "πέρκη",
        "4": "",
        "5": "perch"
      },
      "expansion": "Ancient Greek πέρκη (pérkē, “perch”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "περκνός",
        "3": "",
        "4": "dark-spotted"
      },
      "expansion": "περκνός (perknós, “dark-spotted”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Esperanto perko, from Latin perca, from Ancient Greek πέρκη (pérkē, “perch”), cognate with περκνός (perknós, “dark-spotted”).",
  "forms": [
    {
      "form": "perki",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": ""
      },
      "expansion": "perko",
      "name": "head"
    },
    {
      "args": {
        "1": "perk"
      },
      "expansion": "perko (plural perki)",
      "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": "other",
          "name": "Ido entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "io",
          "name": "Fish",
          "orig": "io:Fish",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "perch"
      ],
      "id": "en-perko-io-noun-h~sA0lnL",
      "links": [
        [
          "perch",
          "perch"
        ]
      ]
    }
  ],
  "word": "perko"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "perko"
      },
      "expansion": "Esperanto perko",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "la",
        "3": "perca"
      },
      "expansion": "Latin perca",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "grc",
        "3": "πέρκη",
        "4": "",
        "5": "perch"
      },
      "expansion": "Ancient Greek πέρκη (pérkē, “perch”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "περκνός",
        "3": "",
        "4": "dark-spotted"
      },
      "expansion": "περκνός (perknós, “dark-spotted”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Esperanto perko, from Latin perca, from Ancient Greek πέρκη (pérkē, “perch”), cognate with περκνός (perknós, “dark-spotted”).",
  "forms": [
    {
      "form": "perki",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "noun",
        "head": ""
      },
      "expansion": "perko",
      "name": "head"
    },
    {
      "args": {
        "1": "perk"
      },
      "expansion": "perko (plural perki)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido entries with topic categories using raw markup",
        "Ido lemmas",
        "Ido nouns",
        "Ido terms derived from Ancient Greek",
        "Ido terms derived from Esperanto",
        "Ido terms derived from Latin",
        "io:Fish"
      ],
      "glosses": [
        "perch"
      ],
      "links": [
        [
          "perch",
          "perch"
        ]
      ]
    }
  ],
  "word": "perko"
}