"EUC" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "proper noun"
      },
      "expansion": "EUC",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Extended Unix Code (a multibyte character encoding system used primarily for Japanese, Korean, and simplified Chinese)"
      ],
      "hyponyms": [
        {
          "word": "EUC-CN"
        },
        {
          "word": "EUC-JP"
        },
        {
          "word": "EUC-KP"
        },
        {
          "word": "EUC-KR"
        },
        {
          "word": "EUC-TW"
        }
      ],
      "id": "en-EUC-mul-name-t3txVxt4",
      "links": [
        [
          "Extended Unix Code",
          "w:en:Extended Unix Code"
        ]
      ]
    }
  ],
  "word": "EUC"
}

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "proper noun"
      },
      "expansion": "EUC",
      "name": "head"
    }
  ],
  "hyponyms": [
    {
      "word": "EUC-CN"
    },
    {
      "word": "EUC-JP"
    },
    {
      "word": "EUC-KP"
    },
    {
      "word": "EUC-KR"
    },
    {
      "word": "EUC-TW"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English links with redundant alt parameters",
        "English links with redundant wikilinks",
        "Pages with 1 entry",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual proper nouns"
      ],
      "glosses": [
        "Extended Unix Code (a multibyte character encoding system used primarily for Japanese, Korean, and simplified Chinese)"
      ],
      "links": [
        [
          "Extended Unix Code",
          "w:en:Extended Unix Code"
        ]
      ]
    }
  ],
  "word": "EUC"
}