"des-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "des-"
      },
      "expansion": "Middle English des-",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "des-"
      },
      "expansion": "Old French des-",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "dis-"
      },
      "expansion": "Latin dis-",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English des-, dis-, from Old French des-, from Latin dis-.",
  "head_templates": [
    {
      "args": {},
      "expansion": "des-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "reversal of sense of succeeding word",
          "word": "dis-"
        }
      ],
      "categories": [],
      "glosses": [
        "Obsolete form of dis- (“reversal of sense of succeeding word”)."
      ],
      "id": "en-des--en-prefix-zFQ28Hg2",
      "links": [
        [
          "dis-",
          "dis-#English"
        ],
        [
          "reversal",
          "reversal"
        ],
        [
          "sense",
          "sense"
        ],
        [
          "succeeding",
          "succeeding"
        ],
        [
          "word",
          "word"
        ]
      ],
      "tags": [
        "alt-of",
        "morpheme",
        "obsolete"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 13 8 12 9 13 12 13 11",
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 13 8 12 10 13 11 13 10",
          "kind": "other",
          "name": "Pages with 17 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A removal of a group from a molecule."
      ],
      "id": "en-des--en-prefix-1TIlTJWn",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "removal",
          "removal"
        ],
        [
          "molecule",
          "molecule"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A removal of a group from a molecule."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "des-"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English prefixes",
    "English terms derived from Latin",
    "English terms derived from Middle English",
    "English terms derived from Old French",
    "English terms inherited from Middle English",
    "Pages using catfix",
    "Pages with 17 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "des-"
      },
      "expansion": "Middle English des-",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "des-"
      },
      "expansion": "Old French des-",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "dis-"
      },
      "expansion": "Latin dis-",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English des-, dis-, from Old French des-, from Latin dis-.",
  "head_templates": [
    {
      "args": {},
      "expansion": "des-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "reversal of sense of succeeding word",
          "word": "dis-"
        }
      ],
      "categories": [
        "English obsolete forms"
      ],
      "glosses": [
        "Obsolete form of dis- (“reversal of sense of succeeding word”)."
      ],
      "links": [
        [
          "dis-",
          "dis-#English"
        ],
        [
          "reversal",
          "reversal"
        ],
        [
          "sense",
          "sense"
        ],
        [
          "succeeding",
          "succeeding"
        ],
        [
          "word",
          "word"
        ]
      ],
      "tags": [
        "alt-of",
        "morpheme",
        "obsolete"
      ]
    },
    {
      "categories": [
        "en:Organic chemistry"
      ],
      "glosses": [
        "A removal of a group from a molecule."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "removal",
          "removal"
        ],
        [
          "molecule",
          "molecule"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A removal of a group from a molecule."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "des-"
}