"régression" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "regressio",
        "4": "regressiōnem"
      },
      "expansion": "Learned borrowing from Latin regressiōnem",
      "name": "lbor"
    },
    {
      "args": {
        "1": "fr",
        "2": "régresser",
        "3": "-ion"
      },
      "expansion": "By surface analysis, régresser + -ion",
      "name": "surf"
    },
    {
      "args": {
        "1": "fr",
        "2": "régresser"
      },
      "expansion": "régresser",
      "name": "m"
    }
  ],
  "etymology_text": "Learned borrowing from Latin regressiōnem. By surface analysis, régresser + -ion, although régresser is a back-formation from this word.",
  "forms": [
    {
      "form": "régressions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "régression f (plural régressions)",
      "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"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms suffixed with -ion",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "régresser"
        }
      ],
      "glosses": [
        "regression"
      ],
      "id": "en-régression-fr-noun-8nRTeq8s",
      "links": [
        [
          "regression",
          "regression"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁe.ɡʁɛ.sjɔ̃/"
    },
    {
      "ipa": "/ʁe.ɡʁe.sjɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-Lepticed7-régression.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e8/LL-Q150_%28fra%29-Lepticed7-r%C3%A9gression.wav/LL-Q150_%28fra%29-Lepticed7-r%C3%A9gression.wav.mp3",
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      "text": "Audio"
    }
  ],
  "word": "régression"
}

{
  "derived": [
    {
      "word": "régresser"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "regressio",
        "4": "regressiōnem"
      },
      "expansion": "Learned borrowing from Latin regressiōnem",
      "name": "lbor"
    },
    {
      "args": {
        "1": "fr",
        "2": "régresser",
        "3": "-ion"
      },
      "expansion": "By surface analysis, régresser + -ion",
      "name": "surf"
    },
    {
      "args": {
        "1": "fr",
        "2": "régresser"
      },
      "expansion": "régresser",
      "name": "m"
    }
  ],
  "etymology_text": "Learned borrowing from Latin regressiōnem. By surface analysis, régresser + -ion, although régresser is a back-formation from this word.",
  "forms": [
    {
      "form": "régressions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "régression f (plural régressions)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French learned borrowings from Latin",
        "French lemmas",
        "French nouns",
        "French terms borrowed from Latin",
        "French terms derived from Latin",
        "French terms suffixed with -ion",
        "French terms with IPA pronunciation",
        "French terms with audio links"
      ],
      "glosses": [
        "regression"
      ],
      "links": [
        [
          "regression",
          "regression"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁe.ɡʁɛ.sjɔ̃/"
    },
    {
      "ipa": "/ʁe.ɡʁe.sjɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-Lepticed7-régression.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e8/LL-Q150_%28fra%29-Lepticed7-r%C3%A9gression.wav/LL-Q150_%28fra%29-Lepticed7-r%C3%A9gression.wav.mp3",
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      "text": "Audio"
    }
  ],
  "word": "régression"
}