"vallassa" meaning in Finnish

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun form"
      },
      "expansion": "vallassa",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Kekkonen stayed in power for 26 years.",
          "text": "Kekkonen oli vallassa 26 vuotta.",
          "type": "example"
        },
        {
          "english": "She is possessed by evil spirits.",
          "text": "Hän on pahojen henkien vallassa.",
          "type": "example"
        },
        {
          "english": "If I had the power to decide...",
          "text": "Jos asia olisi minun vallassani...",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "valta"
        }
      ],
      "glosses": [
        "inessive singular of valta"
      ],
      "id": "en-vallassa-fi-noun-eQkcP8tm",
      "links": [
        [
          "valta",
          "valta#Finnish"
        ]
      ],
      "tags": [
        "form-of",
        "inessive",
        "singular"
      ]
    }
  ],
  "word": "vallassa"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun form"
      },
      "expansion": "vallassa",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Finnish entries with incorrect language header",
        "Finnish non-lemma forms",
        "Finnish noun forms",
        "Finnish terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "Kekkonen stayed in power for 26 years.",
          "text": "Kekkonen oli vallassa 26 vuotta.",
          "type": "example"
        },
        {
          "english": "She is possessed by evil spirits.",
          "text": "Hän on pahojen henkien vallassa.",
          "type": "example"
        },
        {
          "english": "If I had the power to decide...",
          "text": "Jos asia olisi minun vallassani...",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "valta"
        }
      ],
      "glosses": [
        "inessive singular of valta"
      ],
      "links": [
        [
          "valta",
          "valta#Finnish"
        ]
      ],
      "tags": [
        "form-of",
        "inessive",
        "singular"
      ]
    }
  ],
  "word": "vallassa"
}