"ur-" meaning in Swedish

{
  "derived": [
    {
      "_dis1": "0 0",
      "english": "Protozoa",
      "word": "urdjur"
    },
    {
      "_dis1": "0 0",
      "english": "indigenous people",
      "word": "urinvånare"
    },
    {
      "_dis1": "0 0",
      "english": "primeval forest",
      "word": "urskog"
    },
    {
      "_dis1": "0 0",
      "english": "godawful",
      "word": "urusel"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "prefix"
      },
      "expansion": "ur-",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "aboriginal, primeval, proto-, original (with general connotations of old)"
      ],
      "id": "en-ur--sv-prefix-HVGZUTey",
      "links": [
        [
          "aboriginal",
          "aboriginal"
        ],
        [
          "primeval",
          "primeval"
        ],
        [
          "proto-",
          "proto-"
        ],
        [
          "original",
          "original"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "He's super old",
          "text": "Han är urgammal",
          "type": "example"
        },
        {
          "english": "She's super silly",
          "text": "Hon är urfånig",
          "type": "example"
        }
      ],
      "glosses": [
        "very, super-"
      ],
      "id": "en-ur--sv-prefix-qntRc5f4",
      "links": [
        [
          "very",
          "very"
        ],
        [
          "super-",
          "super-"
        ]
      ],
      "raw_glosses": [
        "(colloquial, intensifier) very, super-"
      ],
      "synonyms": [
        {
          "word": "as-"
        },
        {
          "word": "gör-"
        },
        {
          "word": "jätte-"
        },
        {
          "word": "skit-"
        },
        {
          "word": "svin-"
        },
        {
          "word": "vrål-"
        },
        {
          "word": "bauta-"
        },
        {
          "tags": [
            "negative",
            "usually"
          ],
          "word": "piss-"
        }
      ],
      "tags": [
        "colloquial",
        "emphatic",
        "intensifier",
        "morpheme"
      ]
    }
  ],
  "word": "ur-"
}

{
  "categories": [
    "Pages with 10 entries",
    "Pages with entries",
    "Swedish entries with incorrect language header",
    "Swedish lemmas",
    "Swedish prefixes"
  ],
  "derived": [
    {
      "english": "Protozoa",
      "word": "urdjur"
    },
    {
      "english": "indigenous people",
      "word": "urinvånare"
    },
    {
      "english": "primeval forest",
      "word": "urskog"
    },
    {
      "english": "godawful",
      "word": "urusel"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "prefix"
      },
      "expansion": "ur-",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "aboriginal, primeval, proto-, original (with general connotations of old)"
      ],
      "links": [
        [
          "aboriginal",
          "aboriginal"
        ],
        [
          "primeval",
          "primeval"
        ],
        [
          "proto-",
          "proto-"
        ],
        [
          "original",
          "original"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "Swedish colloquialisms",
        "Swedish terms with usage examples"
      ],
      "examples": [
        {
          "english": "He's super old",
          "text": "Han är urgammal",
          "type": "example"
        },
        {
          "english": "She's super silly",
          "text": "Hon är urfånig",
          "type": "example"
        }
      ],
      "glosses": [
        "very, super-"
      ],
      "links": [
        [
          "very",
          "very"
        ],
        [
          "super-",
          "super-"
        ]
      ],
      "raw_glosses": [
        "(colloquial, intensifier) very, super-"
      ],
      "synonyms": [
        {
          "word": "as-"
        },
        {
          "word": "gör-"
        },
        {
          "word": "jätte-"
        },
        {
          "word": "skit-"
        },
        {
          "word": "svin-"
        },
        {
          "word": "vrål-"
        },
        {
          "word": "bauta-"
        },
        {
          "tags": [
            "negative",
            "usually"
          ],
          "word": "piss-"
        }
      ],
      "tags": [
        "colloquial",
        "emphatic",
        "intensifier",
        "morpheme"
      ]
    }
  ],
  "word": "ur-"
}