"mega-" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "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”).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix",
        "head": ""
      },
      "expansion": "mega-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "mega-",
      "name": "fi-prefix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "langcode": "fi",
          "name": "SI units",
          "orig": "fi:SI units",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "mega-"
      ],
      "id": "en-mega--fi-prefix-WQ~VZXjM",
      "links": [
        [
          "mega-",
          "#English"
        ]
      ],
      "related": [
        {
          "_dis1": "100 0",
          "word": "kilo-"
        },
        {
          "_dis1": "100 0",
          "word": "giga-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "super-, extremely"
      ],
      "id": "en-mega--fi-prefix-5fkh36uS",
      "links": [
        [
          "super-",
          "super-"
        ],
        [
          "extremely",
          "extremely"
        ]
      ],
      "raw_glosses": [
        "(informal) super-, extremely"
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɡɑ-/"
    },
    {
      "ipa": "[ˈme̞ɡɑ̝-]"
    }
  ],
  "word": "mega-"
}

{
  "categories": [
    "Finnish entries with incorrect language header",
    "Finnish lemmas",
    "Finnish prefixes",
    "Finnish terms derived from Ancient Greek",
    "Finnish terms with IPA pronunciation",
    "Pages using catfix",
    "Pages with 23 entries",
    "Pages with entries",
    "fi:SI units"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "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”).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix",
        "head": ""
      },
      "expansion": "mega-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "mega-",
      "name": "fi-prefix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "related": [
    {
      "word": "kilo-"
    },
    {
      "word": "giga-"
    }
  ],
  "senses": [
    {
      "glosses": [
        "mega-"
      ],
      "links": [
        [
          "mega-",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "Finnish informal terms"
      ],
      "glosses": [
        "super-, extremely"
      ],
      "links": [
        [
          "super-",
          "super-"
        ],
        [
          "extremely",
          "extremely"
        ]
      ],
      "raw_glosses": [
        "(informal) super-, extremely"
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɡɑ-/"
    },
    {
      "ipa": "[ˈme̞ɡɑ̝-]"
    }
  ],
  "word": "mega-"
}