"alv" meaning in Finnish

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun"
      },
      "expansion": "alv",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "arvonlisävero"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Finnish entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Finnish links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fi",
          "name": "Taxation",
          "orig": "fi:Taxation",
          "parents": [
            "Government",
            "Law",
            "Money",
            "Politics",
            "Society",
            "Justice",
            "Business",
            "All topics",
            "Economics",
            "Fundamental",
            "Social sciences",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "VAT (value added tax); Abbreviation of arvonlisävero."
      ],
      "id": "en-alv-fi-noun-L3AqjBhY",
      "links": [
        [
          "VAT",
          "VAT"
        ],
        [
          "value added tax",
          "value added tax"
        ],
        [
          "arvonlisävero",
          "arvonlisävero#Finnish"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "alv"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun"
      },
      "expansion": "alv",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "arvonlisävero"
        }
      ],
      "categories": [
        "Finnish abbreviations",
        "Finnish entries with incorrect language header",
        "Finnish entries with topic categories using raw markup",
        "Finnish lemmas",
        "Finnish links with redundant wikilinks",
        "Finnish nouns",
        "fi:Taxation"
      ],
      "glosses": [
        "VAT (value added tax); Abbreviation of arvonlisävero."
      ],
      "links": [
        [
          "VAT",
          "VAT"
        ],
        [
          "value added tax",
          "value added tax"
        ],
        [
          "arvonlisävero",
          "arvonlisävero#Finnish"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "alv"
}