"wrak" meaning in Old Javanese

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "kaw"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "kaw",
        "2": "noun"
      },
      "expansion": "wrak",
      "name": "head"
    }
  ],
  "lang": "Old Javanese",
  "lang_code": "kaw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "Old Javanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "mixture dish"
      ],
      "id": "en-wrak-kaw-noun-WDc2JO3z"
    }
  ],
  "word": "wrak"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jv",
            "2": "ꦮꦼꦫꦏ꧀",
            "inh": "1"
          },
          "expansion": "> Javanese: ꦮꦼꦫꦏ꧀ (werak) (inherited)",
          "name": "desc"
        }
      ],
      "text": "> Javanese: ꦮꦼꦫꦏ꧀ (werak) (inherited)"
    }
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "kaw"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "kaw",
        "2": "mkh-pro",
        "3": "-"
      },
      "expansion": "Proto-Mon-Khmer",
      "name": "der"
    }
  ],
  "etymology_text": "Unknown, probably from Proto-Mon-Khmer *sraat (“sour, acid”), *ɟuʔ (“sour, acid”).",
  "head_templates": [
    {
      "args": {
        "1": "kaw",
        "2": "noun"
      },
      "expansion": "wrak",
      "name": "head"
    }
  ],
  "lang": "Old Javanese",
  "lang_code": "kaw",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "vinegar"
      ],
      "id": "en-wrak-kaw-noun-G8aQaE3C",
      "links": [
        [
          "vinegar",
          "vinegar"
        ]
      ]
    }
  ],
  "word": "wrak"
}

{
  "categories": [
    "Old Javanese entries with incorrect language header",
    "Old Javanese lemmas",
    "Old Javanese nouns",
    "Old Javanese terms derived from Proto-Mon-Khmer",
    "Old Javanese terms with unknown etymologies",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "kaw"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "kaw",
        "2": "noun"
      },
      "expansion": "wrak",
      "name": "head"
    }
  ],
  "lang": "Old Javanese",
  "lang_code": "kaw",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "mixture dish"
      ]
    }
  ],
  "word": "wrak"
}

{
  "categories": [
    "Old Javanese entries with incorrect language header",
    "Old Javanese lemmas",
    "Old Javanese nouns",
    "Old Javanese terms derived from Proto-Mon-Khmer",
    "Old Javanese terms with unknown etymologies",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jv",
            "2": "ꦮꦼꦫꦏ꧀",
            "inh": "1"
          },
          "expansion": "> Javanese: ꦮꦼꦫꦏ꧀ (werak) (inherited)",
          "name": "desc"
        }
      ],
      "text": "> Javanese: ꦮꦼꦫꦏ꧀ (werak) (inherited)"
    }
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "kaw"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "kaw",
        "2": "mkh-pro",
        "3": "-"
      },
      "expansion": "Proto-Mon-Khmer",
      "name": "der"
    }
  ],
  "etymology_text": "Unknown, probably from Proto-Mon-Khmer *sraat (“sour, acid”), *ɟuʔ (“sour, acid”).",
  "head_templates": [
    {
      "args": {
        "1": "kaw",
        "2": "noun"
      },
      "expansion": "wrak",
      "name": "head"
    }
  ],
  "lang": "Old Javanese",
  "lang_code": "kaw",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "vinegar"
      ],
      "links": [
        [
          "vinegar",
          "vinegar"
        ]
      ]
    }
  ],
  "word": "wrak"
}