"odonto-" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ὀδόντος"
      },
      "expansion": "Ancient Greek ὀδόντος (odóntos)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὀδόντος (odóntos).",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "prefix"
      },
      "expansion": "odonto-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Teeth",
          "orig": "fr:Teeth",
          "parents": [
            "Mouth",
            "Face",
            "Head and neck",
            "Body parts",
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "odonto-"
      ],
      "id": "en-odonto--fr-prefix-Za4gQ4V9",
      "links": [
        [
          "odonto-",
          "odonto-#English"
        ]
      ],
      "related": [
        {
          "word": "-odonte"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔ.dɔ̃.to/"
    }
  ],
  "word": "odonto-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ὀδόντος"
      },
      "expansion": "Ancient Greek ὀδόντος (odóntos)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὀδόντος (odóntos).",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "prefix"
      },
      "expansion": "odonto-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "related": [
    {
      "word": "-odonte"
    }
  ],
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French entries with incorrect language header",
        "French lemmas",
        "French prefixes",
        "French terms derived from Ancient Greek",
        "French terms with IPA pronunciation",
        "fr:Teeth"
      ],
      "glosses": [
        "odonto-"
      ],
      "links": [
        [
          "odonto-",
          "odonto-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔ.dɔ̃.to/"
    }
  ],
  "word": "odonto-"
}