"beta" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "grc",
        "3": "βῆτᾰ"
      },
      "expansion": "Ancient Greek βῆτᾰ (bêtă)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from a European language, ultimately from Ancient Greek βῆτᾰ (bêtă).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "beta",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "beta",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 25 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "beta; the Greek letter Β, β"
      ],
      "id": "en-beta-vi-noun-DoXsc5Gc",
      "links": [
        [
          "beta",
          "beta#English"
        ],
        [
          "Β",
          "Β"
        ],
        [
          "β",
          "β"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɓe˧˧ taː˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɓej˧˧ taː˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɓej˧˧ taː˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "beta"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "grc",
        "3": "βῆτᾰ"
      },
      "expansion": "Ancient Greek βῆτᾰ (bêtă)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from a European language, ultimately from Ancient Greek βῆτᾰ (bêtă).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "beta",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "beta",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 25 entries",
        "Pages with entries",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms derived from Ancient Greek",
        "Vietnamese terms with IPA pronunciation"
      ],
      "glosses": [
        "beta; the Greek letter Β, β"
      ],
      "links": [
        [
          "beta",
          "beta#English"
        ],
        [
          "Β",
          "Β"
        ],
        [
          "β",
          "β"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɓe˧˧ taː˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɓej˧˧ taː˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɓej˧˧ taː˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "beta"
}