"װאו" meaning in Yiddish

{
  "forms": [
    {
      "form": "vu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "װאו • (vu)",
      "name": "yi-adv"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vu",
          "word": "וווּ"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yiddish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of וווּ (vu)"
      ],
      "id": "en-װאו-yi-adv-es8uSBgT",
      "links": [
        [
          "וווּ",
          "וווּ#Yiddish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "װאו"
}

{
  "forms": [
    {
      "form": "vu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "װאו • (vu)",
      "name": "yi-adv"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vu",
          "word": "וווּ"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Yiddish adverbs",
        "Yiddish entries with incorrect language header",
        "Yiddish lemmas"
      ],
      "glosses": [
        "Alternative spelling of וווּ (vu)"
      ],
      "links": [
        [
          "וווּ",
          "וווּ#Yiddish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "װאו"
}