"desto" meaning in Español

{
  "categories": [
    {
      "kind": "other",
      "name": "ES:Palabras bisílabas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Palabras llanas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Rimas:es.to",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Español",
      "parents": [],
      "source": "w"
    }
  ],
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "bisílaba"
  },
  "hyphenation": "des-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "contraction",
  "pos_title": "contracción",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "ES:Contracciones",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "ES:Contracciones de preposiciones",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "ES:Contracciones de pronombres",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "ES:Términos anticuados",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Contracción de la preposición de y el pronombre esto."
      ],
      "id": "es-desto-es-contraction-N6SPOouY",
      "sense_index": "1",
      "tags": [
        "outdated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈd̪es.t̪o]"
    },
    {
      "rhymes": "es.to"
    }
  ],
  "tags": [
    "contraction"
  ],
  "word": "desto"
}

{
  "categories": [
    "ES:Palabras bisílabas",
    "ES:Palabras llanas",
    "ES:Rimas:es.to",
    "Español"
  ],
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "bisílaba"
  },
  "hyphenation": "des-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "contraction",
  "pos_title": "contracción",
  "senses": [
    {
      "categories": [
        "ES:Contracciones",
        "ES:Contracciones de preposiciones",
        "ES:Contracciones de pronombres",
        "ES:Términos anticuados"
      ],
      "glosses": [
        "Contracción de la preposición de y el pronombre esto."
      ],
      "sense_index": "1",
      "tags": [
        "outdated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈd̪es.t̪o]"
    },
    {
      "rhymes": "es.to"
    }
  ],
  "tags": [
    "contraction"
  ],
  "word": "desto"
}