"μεταρρυθμίζω" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en grec issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Wiktionnaire:Conjugaisons manquantes en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "μεταρρύθμιση"
    }
  ],
  "etymology_texts": [
    "Du grec ancien μεταρρυθμίζω, metarruthmízô."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "verb",
  "pos_title": "Verbe",
  "raw_tags": [
    "metarrythmízo"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en grec",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Réformer."
      ],
      "id": "fr-μεταρρυθμίζω-el-verb-f9QDpPX7"
    },
    {
      "glosses": [
        "Réarranger, modifier."
      ],
      "id": "fr-μεταρρυθμίζω-el-verb-t9VIBAW0"
    }
  ],
  "word": "μεταρρυθμίζω"
}

{
  "categories": [
    "Mots en grec issus d’un mot en grec ancien",
    "Verbes en grec",
    "Wiktionnaire:Conjugaisons manquantes en grec",
    "grec"
  ],
  "derived": [
    {
      "word": "μεταρρύθμιση"
    }
  ],
  "etymology_texts": [
    "Du grec ancien μεταρρυθμίζω, metarruthmízô."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "verb",
  "pos_title": "Verbe",
  "raw_tags": [
    "metarrythmízo"
  ],
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en grec"
      ],
      "glosses": [
        "Réformer."
      ]
    },
    {
      "glosses": [
        "Réarranger, modifier."
      ]
    }
  ],
  "word": "μεταρρυθμίζω"
}