"bưu" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "郵"
      },
      "expansion": "Sino-Vietnamese word from 郵",
      "name": "vi-etym-sino"
    },
    {
      "args": {
        "1": "尤"
      },
      "expansion": "尤 (MC hjuw)",
      "name": "ltc-l"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 郵. The expected reading would *vưu (cf. 尤 (MC hjuw) > vưu), it is not clear what caused the irregular initial.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "bưu",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "bưu",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese nouns without classifiers",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "bưu ảnh"
        },
        {
          "word": "bưu chính"
        },
        {
          "word": "bưu cục"
        },
        {
          "word": "bưu điện"
        },
        {
          "word": "bưu kiện"
        },
        {
          "word": "bưu ký"
        },
        {
          "word": "bưu phẩm"
        },
        {
          "word": "bưu phí"
        },
        {
          "word": "bưu phiếu"
        },
        {
          "word": "bưu tá"
        },
        {
          "word": "bưu thiếp"
        },
        {
          "word": "bưu vụ"
        },
        {
          "word": "bưu xa"
        },
        {
          "word": "quân bưu"
        }
      ],
      "glosses": [
        "post (service or system that delivers parcels or letters)"
      ],
      "id": "en-bưu-vi-noun-CnYpMcSU",
      "links": [
        [
          "post",
          "post"
        ]
      ],
      "raw_glosses": [
        "(in compounds) post (service or system that delivers parcels or letters)"
      ],
      "tags": [
        "in-compounds"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɓiw˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɓɨw˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɓɨw˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "bưu"
}

{
  "derived": [
    {
      "word": "bưu ảnh"
    },
    {
      "word": "bưu chính"
    },
    {
      "word": "bưu cục"
    },
    {
      "word": "bưu điện"
    },
    {
      "word": "bưu kiện"
    },
    {
      "word": "bưu ký"
    },
    {
      "word": "bưu phẩm"
    },
    {
      "word": "bưu phí"
    },
    {
      "word": "bưu phiếu"
    },
    {
      "word": "bưu tá"
    },
    {
      "word": "bưu thiếp"
    },
    {
      "word": "bưu vụ"
    },
    {
      "word": "bưu xa"
    },
    {
      "word": "quân bưu"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "郵"
      },
      "expansion": "Sino-Vietnamese word from 郵",
      "name": "vi-etym-sino"
    },
    {
      "args": {
        "1": "尤"
      },
      "expansion": "尤 (MC hjuw)",
      "name": "ltc-l"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 郵. The expected reading would *vưu (cf. 尤 (MC hjuw) > vưu), it is not clear what caused the irregular initial.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "bưu",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "bưu",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese nouns without classifiers",
        "Vietnamese terms with IPA pronunciation"
      ],
      "glosses": [
        "post (service or system that delivers parcels or letters)"
      ],
      "links": [
        [
          "post",
          "post"
        ]
      ],
      "raw_glosses": [
        "(in compounds) post (service or system that delivers parcels or letters)"
      ],
      "tags": [
        "in-compounds"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɓiw˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɓɨw˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɓɨw˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "bưu"
}