"O-O" meaning in Translingual

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "O-O",
      "name": "head"
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  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "kingside castling",
          "word": "0-0"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Chess",
          "orig": "mul:Chess",
          "parents": [
            "Board games",
            "Tabletop games",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "78 22",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "85 15",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "63 37",
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          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of 0-0 (“kingside castling”)."
      ],
      "id": "en-O-O-mul-symbol-52lM6gRT",
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "0-0",
          "0-0#English"
        ],
        [
          "kingside",
          "kingside"
        ],
        [
          "castling",
          "castling"
        ]
      ],
      "raw_glosses": [
        "(chess) Alternative form of 0-0 (“kingside castling”)."
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "word": "O-O"
}

{
  "etymology_number": 2,
  "etymology_text": "From O (“wide-open eye”) + - (mouth) + O (“wide-open eye”).",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "O-O",
      "name": "head"
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  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "an emoticon representing a confused, shocked, or frightened face",
          "word": "O_O"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Translingual links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of O_O (“an emoticon representing a confused, shocked, or frightened face”)."
      ],
      "id": "en-O-O-mul-symbol-in13gtEx",
      "links": [
        [
          "O_O",
          "Unsupported titles/O`lowbar`O#Translingual"
        ],
        [
          "emoticon",
          "emoticon"
        ],
        [
          "confused",
          "confused"
        ],
        [
          "shocked",
          "shocked"
        ],
        [
          "frightened",
          "frightened"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "O-O"
}

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    "Pages with entries",
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    "Translingual symbols"
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  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "O-O",
      "name": "head"
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  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "kingside castling",
          "word": "0-0"
        }
      ],
      "categories": [
        "mul:Chess"
      ],
      "glosses": [
        "Alternative form of 0-0 (“kingside castling”)."
      ],
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "0-0",
          "0-0#English"
        ],
        [
          "kingside",
          "kingside"
        ],
        [
          "castling",
          "castling"
        ]
      ],
      "raw_glosses": [
        "(chess) Alternative form of 0-0 (“kingside castling”)."
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "word": "O-O"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols"
  ],
  "etymology_number": 2,
  "etymology_text": "From O (“wide-open eye”) + - (mouth) + O (“wide-open eye”).",
  "head_templates": [
    {
      "args": {
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        "2": "symbol"
      },
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  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "an emoticon representing a confused, shocked, or frightened face",
          "word": "O_O"
        }
      ],
      "categories": [
        "Translingual links with redundant target parameters"
      ],
      "glosses": [
        "Alternative form of O_O (“an emoticon representing a confused, shocked, or frightened face”)."
      ],
      "links": [
        [
          "O_O",
          "Unsupported titles/O`lowbar`O#Translingual"
        ],
        [
          "emoticon",
          "emoticon"
        ],
        [
          "confused",
          "confused"
        ],
        [
          "shocked",
          "shocked"
        ],
        [
          "frightened",
          "frightened"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "O-O"
}