"for-" meaning in Icelandic

{
  "derived": [
    {
      "_dis1": "0 0 0",
      "word": "formaður"
    },
    {
      "_dis1": "0 0 0",
      "word": "forsjáll"
    },
    {
      "_dis1": "0 0 0",
      "word": "forstjóri"
    },
    {
      "_dis1": "0 0 0",
      "word": "fordjúpur"
    },
    {
      "_dis1": "0 0 0",
      "word": "forljótur"
    },
    {
      "_dis1": "0 0 0",
      "word": "forbjóða"
    },
    {
      "_dis1": "0 0 0",
      "word": "forbænir"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "for-"
      },
      "expansion": "Old Norse for-",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*fra-"
      },
      "expansion": "Proto-Germanic *fra-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse for-, from Proto-Germanic *fra-.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefix"
      },
      "expansion": "for-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "senses": [
    {
      "examples": [
        {
          "text": "for- + síða (“page”) → forsíða (“front page”)",
          "type": "example"
        }
      ],
      "glosses": [
        "previous, before, first, pre-"
      ],
      "id": "en-for--is-prefix-ZxYElUIu",
      "links": [
        [
          "previous",
          "previous"
        ],
        [
          "before",
          "before"
        ],
        [
          "first",
          "first"
        ],
        [
          "pre-",
          "pre-"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "100 0 0",
          "sense": "before",
          "word": "fyrir-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "extremely"
      ],
      "id": "en-for--is-prefix-BoAVKJKs",
      "links": [
        [
          "extremely",
          "extremely"
        ]
      ],
      "raw_glosses": [
        "(emphatic) extremely"
      ],
      "tags": [
        "emphatic",
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "43 0 57",
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "negative meaning"
      ],
      "id": "en-for--is-prefix-bAz0IoK~",
      "links": [
        [
          "negative",
          "negative"
        ],
        [
          "meaning",
          "meaning"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "for-"
}

{
  "categories": [
    "Icelandic entries with incorrect language header",
    "Icelandic lemmas",
    "Icelandic prefixes",
    "Icelandic terms derived from Old Norse",
    "Icelandic terms derived from Proto-Germanic",
    "Icelandic terms inherited from Old Norse",
    "Icelandic terms inherited from Proto-Germanic",
    "Pages with 11 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "formaður"
    },
    {
      "word": "forsjáll"
    },
    {
      "word": "forstjóri"
    },
    {
      "word": "fordjúpur"
    },
    {
      "word": "forljótur"
    },
    {
      "word": "forbjóða"
    },
    {
      "word": "forbænir"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "for-"
      },
      "expansion": "Old Norse for-",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*fra-"
      },
      "expansion": "Proto-Germanic *fra-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse for-, from Proto-Germanic *fra-.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefix"
      },
      "expansion": "for-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "senses": [
    {
      "examples": [
        {
          "text": "for- + síða (“page”) → forsíða (“front page”)",
          "type": "example"
        }
      ],
      "glosses": [
        "previous, before, first, pre-"
      ],
      "links": [
        [
          "previous",
          "previous"
        ],
        [
          "before",
          "before"
        ],
        [
          "first",
          "first"
        ],
        [
          "pre-",
          "pre-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "extremely"
      ],
      "links": [
        [
          "extremely",
          "extremely"
        ]
      ],
      "raw_glosses": [
        "(emphatic) extremely"
      ],
      "tags": [
        "emphatic",
        "morpheme"
      ]
    },
    {
      "glosses": [
        "negative meaning"
      ],
      "links": [
        [
          "negative",
          "negative"
        ],
        [
          "meaning",
          "meaning"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "before",
      "word": "fyrir-"
    }
  ],
  "word": "for-"
}