"oto-" 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:Prefijos",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Rimas:o.to",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Español",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "οὖς",
        "3": "oído",
        "tr": "oỹs"
      },
      "expansion": "Del griego antiguo οὖς (oỹs, \"oído\")",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del griego antiguo οὖς (oỹs, \"oído\") en su forma genitiva singular ὠτός (ōtós).",
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "bisílaba"
  },
  "hyphenation": "o-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "prefix",
  "pos_title": "prefijo",
  "senses": [
    {
      "examples": [
        {
          "text": "Ejemplos:"
        }
      ],
      "glosses": [
        "Referido al oído."
      ],
      "id": "es-oto--es-prefix-EFjAfSAn",
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈo.t̪o]"
    },
    {
      "alternative": "ot-",
      "not_same_pronunciation": true
    },
    {
      "rhymes": "o.to"
    }
  ],
  "word": "oto-"
}

{
  "categories": [
    "ES:Palabras bisílabas",
    "ES:Palabras llanas",
    "ES:Prefijos",
    "ES:Rimas:o.to",
    "Español"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "οὖς",
        "3": "oído",
        "tr": "oỹs"
      },
      "expansion": "Del griego antiguo οὖς (oỹs, \"oído\")",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del griego antiguo οὖς (oỹs, \"oído\") en su forma genitiva singular ὠτός (ōtós).",
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "bisílaba"
  },
  "hyphenation": "o-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "prefix",
  "pos_title": "prefijo",
  "senses": [
    {
      "examples": [
        {
          "text": "Ejemplos:"
        }
      ],
      "glosses": [
        "Referido al oído."
      ],
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈo.t̪o]"
    },
    {
      "alternative": "ot-",
      "not_same_pronunciation": true
    },
    {
      "rhymes": "o.to"
    }
  ],
  "word": "oto-"
}