"olemasta" meaning in Finnish

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "infinitive"
      },
      "expansion": "olemasta",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "third active infinitive of olla"
        }
      ],
      "glosses": [
        "elative of third active infinitive of olla"
      ],
      "id": "en-olemasta-fi-verb-~s0IbUXn",
      "links": [
        [
          "olla",
          "olla#Finnish"
        ]
      ],
      "tags": [
        "elative",
        "form-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈolemɑstɑ/"
    },
    {
      "ipa": "[ˈo̞le̞ˌmɑ̝s̠tɑ̝]"
    },
    {
      "rhymes": "-ɑstɑ"
    }
  ],
  "word": "olemasta"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "infinitive"
      },
      "expansion": "olemasta",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Finnish 4-syllable words",
        "Finnish active third infinitives",
        "Finnish entries with incorrect language header",
        "Finnish infinitives",
        "Finnish non-lemma forms",
        "Finnish terms with IPA pronunciation",
        "Rhymes:Finnish/ɑstɑ",
        "Rhymes:Finnish/ɑstɑ/4 syllables"
      ],
      "form_of": [
        {
          "word": "third active infinitive of olla"
        }
      ],
      "glosses": [
        "elative of third active infinitive of olla"
      ],
      "links": [
        [
          "olla",
          "olla#Finnish"
        ]
      ],
      "tags": [
        "elative",
        "form-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈolemɑstɑ/"
    },
    {
      "ipa": "[ˈo̞le̞ˌmɑ̝s̠tɑ̝]"
    },
    {
      "rhymes": "-ɑstɑ"
    }
  ],
  "word": "olemasta"
}