"hr" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "sh",
        "3": "-"
      },
      "expansion": "Serbo-Croatian",
      "name": "der"
    },
    {
      "args": {
        "1": "sh",
        "2": "hrvatski",
        "3": "hrvatski",
        "sc": "Latn"
      },
      "expansion": "hrvatski",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "хрватски",
        "3": "хрватски",
        "sc": "Cyrl"
      },
      "expansion": "хрватски",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "Serbo-Croatian <i class=\"Latn mention\" lang=\"sh\">hrvatski</i> / <i class=\"Cyrl mention\" lang=\"sh\">хрватски</i>"
      },
      "expansion": "Clipping of Serbo-Croatian hrvatski / хрватски",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of Serbo-Croatian hrvatski / хрватски",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "10": "",
        "2": "symbol",
        "3": "",
        "4": "",
        "5": "or",
        "6": "",
        "7": "or",
        "8": "",
        "9": "or",
        "cat2": "",
        "f1lang": "en",
        "f1nolink": "",
        "f2lang": "en",
        "f2nolink": "",
        "f3lang": "en",
        "f3nolink": "",
        "f4lang": "en",
        "f4nolink": "",
        "head": "",
        "head2": "",
        "head3": "",
        "head4": "",
        "sc": "Latn",
        "sort": ""
      },
      "expansion": "hr",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "hr",
      "name": "mul-symbol"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "ISO 639-1",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ISO 639-1 language code for Croatian."
      ],
      "id": "en-hr-mul-symbol-7nI-QOJs",
      "links": [
        [
          "language code",
          "language code"
        ]
      ],
      "qualifier": "international standards",
      "raw_glosses": [
        "(international standards) ISO 639-1 language code for Croatian."
      ]
    }
  ],
  "word": "hr"
}

{
  "categories": [
    "sv:Titles"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "sh",
        "3": "-"
      },
      "expansion": "Serbo-Croatian",
      "name": "der"
    },
    {
      "args": {
        "1": "sh",
        "2": "hrvatski",
        "3": "hrvatski",
        "sc": "Latn"
      },
      "expansion": "hrvatski",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "хрватски",
        "3": "хрватски",
        "sc": "Cyrl"
      },
      "expansion": "хрватски",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "Serbo-Croatian <i class=\"Latn mention\" lang=\"sh\">hrvatski</i> / <i class=\"Cyrl mention\" lang=\"sh\">хрватски</i>"
      },
      "expansion": "Clipping of Serbo-Croatian hrvatski / хрватски",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of Serbo-Croatian hrvatski / хрватски",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "10": "",
        "2": "symbol",
        "3": "",
        "4": "",
        "5": "or",
        "6": "",
        "7": "or",
        "8": "",
        "9": "or",
        "cat2": "",
        "f1lang": "en",
        "f1nolink": "",
        "f2lang": "en",
        "f2nolink": "",
        "f3lang": "en",
        "f3nolink": "",
        "f4lang": "en",
        "f4nolink": "",
        "head": "",
        "head2": "",
        "head3": "",
        "head4": "",
        "sc": "Latn",
        "sort": ""
      },
      "expansion": "hr",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "hr",
      "name": "mul-symbol"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "ISO 639-1",
        "Serbo-Croatian links with redundant target parameters",
        "Serbo-Croatian terms with redundant script codes",
        "Translingual clippings",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual symbols",
        "Translingual terms derived from Serbo-Croatian",
        "Translingual terms with redundant script codes"
      ],
      "glosses": [
        "ISO 639-1 language code for Croatian."
      ],
      "links": [
        [
          "language code",
          "language code"
        ]
      ],
      "qualifier": "international standards",
      "raw_glosses": [
        "(international standards) ISO 639-1 language code for Croatian."
      ]
    }
  ],
  "word": "hr"
}