"mằn bủng" meaning in Tày

{
  "head_templates": [
    {
      "args": {
        "1": "tyz",
        "2": "noun",
        "head": "",
        "tr": ""
      },
      "expansion": "mằn bủng",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "mằn bủng",
      "name": "tyz-noun"
    }
  ],
  "lang": "Tày",
  "lang_code": "tyz",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tày entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "tyz",
          "name": "Vegetables",
          "orig": "tyz:Vegetables",
          "parents": [
            "Foods",
            "Plants",
            "Eating",
            "Food and drink",
            "Lifeforms",
            "Human behaviour",
            "All topics",
            "Life",
            "Human",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sweet potato"
      ],
      "id": "en-mằn_bủng-tyz-noun-EaM2Blat",
      "links": [
        [
          "sweet potato",
          "sweet potato"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[man˧˨ ɓʊwŋ͡m˨˩˧]",
      "note": "Thạch An – Tràng Định"
    },
    {
      "ipa": "[man˩ ɓʊwŋ͡m˨˦]",
      "note": "Trùng Khánh"
    }
  ],
  "word": "mằn bủng"
}

{
  "head_templates": [
    {
      "args": {
        "1": "tyz",
        "2": "noun",
        "head": "",
        "tr": ""
      },
      "expansion": "mằn bủng",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "mằn bủng",
      "name": "tyz-noun"
    }
  ],
  "lang": "Tày",
  "lang_code": "tyz",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Tày entries with incorrect language header",
        "Tày lemmas",
        "Tày multiword terms",
        "Tày nouns",
        "Tày terms with IPA pronunciation",
        "tyz:Vegetables"
      ],
      "glosses": [
        "sweet potato"
      ],
      "links": [
        [
          "sweet potato",
          "sweet potato"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[man˧˨ ɓʊwŋ͡m˨˩˧]",
      "note": "Thạch An – Tràng Định"
    },
    {
      "ipa": "[man˩ ɓʊwŋ͡m˨˦]",
      "note": "Trùng Khánh"
    }
  ],
  "word": "mằn bủng"
}