"exa-" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "en",
        "3": "exa-"
      },
      "expansion": "Borrowed from English exa-",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "ἕξ",
        "4": "",
        "5": "six"
      },
      "expansion": "Ancient Greek ἕξ (héx, “six”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English exa-, from Ancient Greek ἕξ (héx, “six”), for the sixth order of 10³, analogous to peta- and tera-.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "exa-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "es",
          "name": "SI units",
          "orig": "es:SI units",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "exa- (SI prefix multiplying the unit by 10¹⁸)"
      ],
      "id": "en-exa--es-prefix-e5bWx3LK",
      "links": [
        [
          "exa-",
          "exa-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "exa-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "en",
        "3": "exa-"
      },
      "expansion": "Borrowed from English exa-",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "ἕξ",
        "4": "",
        "5": "six"
      },
      "expansion": "Ancient Greek ἕξ (héx, “six”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English exa-, from Ancient Greek ἕξ (héx, “six”), for the sixth order of 10³, analogous to peta- and tera-.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "exa-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages with 6 entries",
        "Pages with entries",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish prefixes",
        "Spanish terms borrowed from English",
        "Spanish terms derived from Ancient Greek",
        "Spanish terms derived from English",
        "es:SI units"
      ],
      "glosses": [
        "exa- (SI prefix multiplying the unit by 10¹⁸)"
      ],
      "links": [
        [
          "exa-",
          "exa-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "exa-"
}