"épenthèse" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ἐπένθεσις"
      },
      "expansion": "Borrowed from Ancient Greek ἐπένθεσις (epénthesis)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ἐπένθεσις (epénthesis).",
  "forms": [
    {
      "form": "épenthèses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "épenthèse f (plural épenthèses)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Phonetics",
          "orig": "fr:Phonetics",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "epenthesis"
      ],
      "hyponyms": [
        {
          "word": "anaptyxe"
        }
      ],
      "id": "en-épenthèse-fr-noun-HZmUz9Ze",
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "epenthesis",
          "epenthesis"
        ]
      ],
      "raw_glosses": [
        "(phonetics) epenthesis"
      ],
      "related": [
        {
          "word": "épenthétique"
        }
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ],
      "wikipedia": [
        "fr:épenthèse"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.pɑ̃.tɛz/"
    },
    {
      "ipa": "/e.pɛ̃.tɛz/"
    },
    {
      "audio": "LL-Q150 (fra)-Lyokoï-épenthèse.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav.ogg"
    }
  ],
  "word": "épenthèse"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ἐπένθεσις"
      },
      "expansion": "Borrowed from Ancient Greek ἐπένθεσις (epénthesis)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ἐπένθεσις (epénthesis).",
  "forms": [
    {
      "form": "épenthèses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "épenthèse f (plural épenthèses)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "épenthétique"
    }
  ],
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French nouns",
        "French terms borrowed from Ancient Greek",
        "French terms derived from Ancient Greek",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Phonetics"
      ],
      "glosses": [
        "epenthesis"
      ],
      "hyponyms": [
        {
          "word": "anaptyxe"
        }
      ],
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "epenthesis",
          "epenthesis"
        ]
      ],
      "raw_glosses": [
        "(phonetics) epenthesis"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ],
      "wikipedia": [
        "fr:épenthèse"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.pɑ̃.tɛz/"
    },
    {
      "ipa": "/e.pɛ̃.tɛz/"
    },
    {
      "audio": "LL-Q150 (fra)-Lyokoï-épenthèse.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8d/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-%C3%A9penth%C3%A8se.wav.ogg"
    }
  ],
  "word": "épenthèse"
}