"keto-" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "keto-"
      },
      "expansion": "Learned borrowing from English keto-",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from English keto-.",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "keto-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "fi",
          "name": "Organic chemistry",
          "orig": "fi:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "_dis1": "98 2",
          "word": "ketodieetti"
        },
        {
          "_dis1": "98 2",
          "word": "ketoruokavalio"
        }
      ],
      "glosses": [
        "keto-"
      ],
      "id": "en-keto--fi-prefix-0YVxEQsB",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "keto-",
          "keto-#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) keto-"
      ],
      "related": [
        {
          "_dis1": "98 2",
          "word": "oksy-"
        },
        {
          "_dis1": "98 2",
          "word": "hydro-"
        },
        {
          "_dis1": "98 2",
          "word": "karbo-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "Synonym of ketogeeninen"
      ],
      "id": "en-keto--fi-prefix-y~s9Wgt7",
      "links": [
        [
          "ketogeeninen",
          "ketogeeninen#Finnish"
        ]
      ],
      "raw_glosses": [
        "(informal) Synonym of ketogeeninen"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "ketogeeninen"
        }
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈketo-/"
    },
    {
      "ipa": "[ˈk̟e̞t̪o̞-]"
    }
  ],
  "word": "keto-"
}

{
  "categories": [
    "Finnish entries with incorrect language header",
    "Finnish learned borrowings from English",
    "Finnish lemmas",
    "Finnish prefixes",
    "Finnish terms borrowed from English",
    "Finnish terms derived from English",
    "Finnish terms with IPA pronunciation"
  ],
  "derived": [
    {
      "word": "ketodieetti"
    },
    {
      "word": "ketoruokavalio"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "keto-"
      },
      "expansion": "Learned borrowing from English keto-",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from English keto-.",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "keto-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "related": [
    {
      "word": "oksy-"
    },
    {
      "word": "hydro-"
    },
    {
      "word": "karbo-"
    }
  ],
  "senses": [
    {
      "categories": [
        "fi:Organic chemistry"
      ],
      "glosses": [
        "keto-"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "keto-",
          "keto-#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) keto-"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        "Finnish informal terms"
      ],
      "glosses": [
        "Synonym of ketogeeninen"
      ],
      "links": [
        [
          "ketogeeninen",
          "ketogeeninen#Finnish"
        ]
      ],
      "raw_glosses": [
        "(informal) Synonym of ketogeeninen"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "ketogeeninen"
        }
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈketo-/"
    },
    {
      "ipa": "[ˈk̟e̞t̪o̞-]"
    }
  ],
  "word": "keto-"
}