"Vu" meaning in Czech

{
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": "vi",
        "3": "Vũ"
      },
      "expansion": "Borrowed from Vietnamese Vũ",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Vietnamese Vũ.",
  "head_templates": [
    {
      "args": {
        "1": "m-an"
      },
      "expansion": "Vu m anim",
      "name": "cs-proper noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a surname from Vietnamese"
      ],
      "id": "en-Vu-cs-name-OGYYaKod",
      "links": [
        [
          "surname",
          "surname"
        ]
      ],
      "tags": [
        "animate",
        "masculine"
      ]
    }
  ],
  "word": "Vu"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": "vi",
        "3": "Vũ"
      },
      "expansion": "Borrowed from Vietnamese Vũ",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Vietnamese Vũ.",
  "head_templates": [
    {
      "args": {
        "1": "m-an"
      },
      "expansion": "Vu m anim",
      "name": "cs-proper noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Czech animate nouns",
        "Czech entries with incorrect language header",
        "Czech lemmas",
        "Czech masculine nouns",
        "Czech proper nouns",
        "Czech surnames",
        "Czech surnames from Vietnamese",
        "Czech terms borrowed from Vietnamese",
        "Czech terms derived from Vietnamese",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "a surname from Vietnamese"
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ],
      "tags": [
        "animate",
        "masculine"
      ]
    }
  ],
  "word": "Vu"
}