"mega-" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "μέγας",
        "4": "",
        "5": "great, large, mighty"
      },
      "expansion": "Ancient Greek μέγας (mégas, “great, large, mighty”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μέγας (mégas, “great, large, mighty”).",
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      },
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  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "mega- (big, large)"
      ],
      "id": "en-mega--es-prefix-tKx7i9XS",
      "links": [
        [
          "mega-",
          "mega-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "1 0 14 18 14 12 3 2 0 0 12 0 16 8",
          "kind": "other",
          "name": "Pages with 23 entries",
          "parents": [],
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          "_dis": "5 54 41",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 83 15",
          "kind": "other",
          "langcode": "es",
          "name": "SI units",
          "orig": "es:SI units",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "mega- (SI prefix multiplying the unit by 10⁶)"
      ],
      "id": "en-mega--es-prefix-9Bq6KFFc",
      "links": [
        [
          "mega-",
          "mega-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "es",
          "name": "Computing",
          "orig": "es:Computing",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "mebi- (IEC prefix multiplying the unit by 2²⁰)"
      ],
      "id": "en-mega--es-prefix-TpJeyMgB",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "mebi-",
          "mebi-"
        ]
      ],
      "raw_glosses": [
        "(computing) mebi- (IEC prefix multiplying the unit by 2²⁰)"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "mega-"
}

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    "Spanish terms derived from Ancient Greek",
    "es:SI units"
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  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "μέγας",
        "4": "",
        "5": "great, large, mighty"
      },
      "expansion": "Ancient Greek μέγας (mégas, “great, large, mighty”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μέγας (mégas, “great, large, mighty”).",
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      },
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  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "mega- (big, large)"
      ],
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        [
          "mega-",
          "mega-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "mega- (SI prefix multiplying the unit by 10⁶)"
      ],
      "links": [
        [
          "mega-",
          "mega-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "es:Computing"
      ],
      "glosses": [
        "mebi- (IEC prefix multiplying the unit by 2²⁰)"
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "mebi-",
          "mebi-"
        ]
      ],
      "raw_glosses": [
        "(computing) mebi- (IEC prefix multiplying the unit by 2²⁰)"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "mega-"
}