"ENI" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms scientifiques",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sigles en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Initiales de l’anglais european number of identification (« numéro européen d’identification »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "noun",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Sigle"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la navigation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Numéro d’immatriculation d’un navire naviguant dans les eaux intérieures européennes."
      ],
      "id": "fr-ENI-conv-noun-zrrm96W8",
      "raw_tags": [
        "Navigation"
      ]
    }
  ],
  "tags": [
    "invariable",
    "masculine"
  ],
  "word": "ENI"
}

{
  "categories": [
    "Noms scientifiques",
    "Sigles en français",
    "conventions internationales"
  ],
  "etymology_texts": [
    "Initiales de l’anglais european number of identification (« numéro européen d’identification »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "noun",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Sigle"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales de la navigation"
      ],
      "glosses": [
        "Numéro d’immatriculation d’un navire naviguant dans les eaux intérieures européennes."
      ],
      "raw_tags": [
        "Navigation"
      ]
    }
  ],
  "tags": [
    "invariable",
    "masculine"
  ],
  "word": "ENI"
}