"8va" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "it",
        "3": "ottava",
        "4": "",
        "5": "octave"
      },
      "expansion": "Italian ottava (“octave”)",
      "name": "der"
    },
    {
      "args": {
        "1": "mul",
        "2": "it",
        "3": "ottava alta",
        "4": "",
        "5": "octave higher"
      },
      "expansion": "Italian ottava alta (“octave higher”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian ottava (“octave”). Since the 20th century, the \"a\" has sometimes been interpreted as representing alta in Italian ottava alta (“octave higher”); compare 8vb.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "10": "",
        "2": "symbol",
        "3": "",
        "4": "",
        "5": "or",
        "6": "",
        "7": "or",
        "8": "",
        "9": "or",
        "cat2": "",
        "f1lang": "en",
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        "f2lang": "en",
        "f2nolink": "",
        "f3lang": "en",
        "f3nolink": "",
        "f4lang": "en",
        "f4nolink": "",
        "head": "",
        "head2": "",
        "head3": "",
        "head4": "",
        "sc": "Latn",
        "sort": ""
      },
      "expansion": "8va",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "8va",
      "name": "mul-symbol"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "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"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Music",
          "orig": "mul:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An instruction to play one octave higher or lower than indicated."
      ],
      "id": "en-8va-mul-symbol-zwL3x3qJ",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "octave",
          "octave"
        ]
      ],
      "raw_glosses": [
        "(music) An instruction to play one octave higher or lower than indicated."
      ],
      "related": [
        {
          "word": "15ma"
        },
        {
          "word": "15mb"
        },
        {
          "word": "8vb"
        }
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "wikipedia": [
        "8va"
      ]
    }
  ],
  "word": "8va"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "it",
        "3": "ottava",
        "4": "",
        "5": "octave"
      },
      "expansion": "Italian ottava (“octave”)",
      "name": "der"
    },
    {
      "args": {
        "1": "mul",
        "2": "it",
        "3": "ottava alta",
        "4": "",
        "5": "octave higher"
      },
      "expansion": "Italian ottava alta (“octave higher”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian ottava (“octave”). Since the 20th century, the \"a\" has sometimes been interpreted as representing alta in Italian ottava alta (“octave higher”); compare 8vb.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "10": "",
        "2": "symbol",
        "3": "",
        "4": "",
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        "7": "or",
        "8": "",
        "9": "or",
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        "f1lang": "en",
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        "f2lang": "en",
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      },
      "expansion": "8va",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "8va",
      "name": "mul-symbol"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "related": [
    {
      "word": "15ma"
    },
    {
      "word": "15mb"
    },
    {
      "word": "8vb"
    }
  ],
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
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        "Translingual terms derived from Italian",
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        "Translingual terms with redundant script codes",
        "mul:Music"
      ],
      "glosses": [
        "An instruction to play one octave higher or lower than indicated."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "octave",
          "octave"
        ]
      ],
      "raw_glosses": [
        "(music) An instruction to play one octave higher or lower than indicated."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "wikipedia": [
        "8va"
      ]
    }
  ],
  "word": "8va"
}