"tetro" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "la",
        "3": "tetrao"
      },
      "expansion": "Latin tetrao",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin tetrao.",
  "forms": [
    {
      "form": "tetron",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "tetroj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "tetrojn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tetro (accusative singular tetron, plural tetroj, accusative plural tetrojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "te‧tro"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto 1894 Universala Vortaro",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Words approved by the Akademio de Esperanto",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "eo",
          "name": "Birds",
          "orig": "eo:Birds",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black grouse; (Fundamento) grouse"
      ],
      "id": "en-tetro-eo-noun-EmdmrOIS",
      "links": [
        [
          "black grouse",
          "black grouse"
        ],
        [
          "grouse",
          "grouse"
        ]
      ],
      "raw_glosses": [
        "(rare) black grouse; (Fundamento) grouse"
      ],
      "related": [
        {
          "word": "tetrao"
        }
      ],
      "tags": [
        "rare"
      ],
      "wikipedia": [
        "eo:tetro"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈtetro]"
    },
    {
      "rhymes": "-etro"
    }
  ],
  "word": "tetro"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "la",
        "3": "tetrao"
      },
      "expansion": "Latin tetrao",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin tetrao.",
  "forms": [
    {
      "form": "tetron",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "tetroj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "tetrojn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tetro (accusative singular tetron, plural tetroj, accusative plural tetrojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "te‧tro"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "related": [
    {
      "word": "tetrao"
    }
  ],
  "senses": [
    {
      "categories": [
        "Esperanto 1894 Universala Vortaro",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto nouns",
        "Esperanto terms borrowed from Latin",
        "Esperanto terms derived from Latin",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with rare senses",
        "Pages with 3 entries",
        "Pages with entries",
        "Rhymes:Esperanto/etro",
        "Words approved by the Akademio de Esperanto",
        "eo:Birds"
      ],
      "glosses": [
        "black grouse; (Fundamento) grouse"
      ],
      "links": [
        [
          "black grouse",
          "black grouse"
        ],
        [
          "grouse",
          "grouse"
        ]
      ],
      "raw_glosses": [
        "(rare) black grouse; (Fundamento) grouse"
      ],
      "tags": [
        "rare"
      ],
      "wikipedia": [
        "eo:tetro"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈtetro]"
    },
    {
      "rhymes": "-etro"
    }
  ],
  "word": "tetro"
}