"καθέδρα" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en grec issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "καθεδρικός"
    }
  ],
  "etymology_texts": [
    "Du grec ancien καθέδρα, kathédra (« siège »)."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "kathédra"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en grec de l’éducation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "από καθέδρας, ex cathedra."
        }
      ],
      "glosses": [
        "Chaire de professeur."
      ],
      "id": "fr-καθέδρα-el-noun-4cshhMOI",
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ka.θɛ.ðɾa\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "καθέδρα"
}

{
  "categories": [
    "Mots en grec issus d’un mot en grec ancien",
    "Noms communs en grec",
    "grec"
  ],
  "derived": [
    {
      "word": "καθεδρικός"
    }
  ],
  "etymology_texts": [
    "Du grec ancien καθέδρα, kathédra (« siège »)."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "kathédra"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en grec de l’éducation"
      ],
      "examples": [
        {
          "text": "από καθέδρας, ex cathedra."
        }
      ],
      "glosses": [
        "Chaire de professeur."
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ka.θɛ.ðɾa\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "καθέδρα"
}