"magneto-" meaning in Español

{
  "categories": [
    {
      "kind": "other",
      "name": "ES:Palabras llanas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Palabras trisílabas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Prefijos",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Rimas:e.to",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Español",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "μᾰ́γνης"
      },
      "expansion": "Del griego antiguo μᾰ́γνης",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del griego antiguo μᾰ́γνης.",
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "trisílaba"
  },
  "hyphenation": "mag-ne-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "prefix",
  "pos_title": "prefijo",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "ES:Física",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Magnético."
      ],
      "id": "es-magneto--es-prefix-3edlms9s",
      "raw_tags": [
        "Física"
      ],
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[maɣ̞ˈne.t̪o]"
    },
    {
      "rhymes": "e.to"
    }
  ],
  "word": "magneto-"
}

{
  "categories": [
    "ES:Palabras llanas",
    "ES:Palabras trisílabas",
    "ES:Prefijos",
    "ES:Rimas:e.to",
    "Español"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "μᾰ́γνης"
      },
      "expansion": "Del griego antiguo μᾰ́γνης",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del griego antiguo μᾰ́γνης.",
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "trisílaba"
  },
  "hyphenation": "mag-ne-to",
  "lang": "Español",
  "lang_code": "es",
  "pos": "prefix",
  "pos_title": "prefijo",
  "senses": [
    {
      "categories": [
        "ES:Física"
      ],
      "glosses": [
        "Magnético."
      ],
      "raw_tags": [
        "Física"
      ],
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[maɣ̞ˈne.t̪o]"
    },
    {
      "rhymes": "e.to"
    }
  ],
  "word": "magneto-"
}