"rdr. r:gs" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "rdr.",
        "3": "r:gs"
      },
      "expansion": "rdr. + r:gs",
      "name": "compound"
    }
  ],
  "etymology_text": "rdr. + r:gs",
  "forms": [
    {
      "form": "rdr. r\\:gs",
      "tags": [
        "canonical",
        "common-gender"
      ]
    }
  ],
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      "args": {
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        "2": "nouns",
        "3": "",
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      },
      "expansion": "rdr. r\\:gs c",
      "name": "head"
    },
    {
      "args": {
        "1": "c"
      },
      "expansion": "rdr. r\\:gs c",
      "name": "sv-noun"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "riksdaler riksgäld"
        }
      ],
      "antonyms": [
        {
          "english": "riksdaler banco",
          "word": "rdr. b:co"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sv",
          "name": "Currency",
          "orig": "sv:Currency",
          "parents": [
            "Money",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of riksdaler riksgäld."
      ],
      "id": "en-rdr._r:gs-sv-noun-N0F~rP5n",
      "links": [
        [
          "riksdaler riksgäld",
          "riksdaler riksgäld#Swedish"
        ]
      ],
      "synonyms": [
        {
          "word": "rdr. rgs."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "rdr. r:gs"
}

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      "args": {
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        "2": "rdr.",
        "3": "r:gs"
      },
      "expansion": "rdr. + r:gs",
      "name": "compound"
    }
  ],
  "etymology_text": "rdr. + r:gs",
  "forms": [
    {
      "form": "rdr. r\\:gs",
      "tags": [
        "canonical",
        "common-gender"
      ]
    }
  ],
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    {
      "args": {
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      "expansion": "rdr. r\\:gs c",
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    {
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      "expansion": "rdr. r\\:gs c",
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  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "riksdaler riksgäld"
        }
      ],
      "antonyms": [
        {
          "english": "riksdaler banco",
          "word": "rdr. b:co"
        }
      ],
      "categories": [
        "Swedish abbreviations",
        "Swedish common-gender nouns",
        "Swedish compound terms",
        "Swedish entries with incorrect language header",
        "Swedish lemmas",
        "Swedish multiword terms",
        "Swedish nouns",
        "Swedish terms spelled with .",
        "Swedish terms spelled with :",
        "sv:Currency"
      ],
      "glosses": [
        "Abbreviation of riksdaler riksgäld."
      ],
      "links": [
        [
          "riksdaler riksgäld",
          "riksdaler riksgäld#Swedish"
        ]
      ],
      "synonyms": [
        {
          "word": "rdr. rgs."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "rdr. r:gs"
}