"永久" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vietnamien",
  "lang_code": "vi-chunom",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "vĩnh cửu"
  ],
  "senses": [
    {
      "glosses": [
        "éternel, permanent."
      ],
      "id": "fr-永久-vi-chunom-adj-cmYyRZbk"
    }
  ],
  "word": "永久"
}

{
  "categories": [
    "Adjectifs en vietnamien",
    "vietnamien"
  ],
  "lang": "Vietnamien",
  "lang_code": "vi-chunom",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "vĩnh cửu"
  ],
  "senses": [
    {
      "glosses": [
        "éternel, permanent."
      ]
    }
  ],
  "word": "永久"
}