"chên" meaning in Vietnamese

{
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "misspelling"
      },
      "expansion": "chên",
      "name": "head"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "on",
          "word": "trên"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Misspelling of trên (“on”)."
      ],
      "id": "en-chên-vi-prep-Kyc6WP4s",
      "links": [
        [
          "trên",
          "trên#Vietnamese"
        ]
      ],
      "tags": [
        "alt-of",
        "misspelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕen˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[t͡ɕen˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[cəːn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "chên"
}

{
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "misspelling"
      },
      "expansion": "chên",
      "name": "head"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "on",
          "word": "trên"
        }
      ],
      "categories": [
        "Vietnamese entries with incorrect language header",
        "Vietnamese misspellings",
        "Vietnamese non-lemma forms",
        "Vietnamese terms with IPA pronunciation"
      ],
      "glosses": [
        "Misspelling of trên (“on”)."
      ],
      "links": [
        [
          "trên",
          "trên#Vietnamese"
        ]
      ],
      "tags": [
        "alt-of",
        "misspelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕen˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[t͡ɕen˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[cəːn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "chên"
}