"underlättades" meaning in Swedish

{
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "verb form"
      },
      "expansion": "underlättades",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "underlätta"
        }
      ],
      "glosses": [
        "past passive indicative of underlätta"
      ],
      "id": "en-underlättades-sv-verb-8Ye4qyTK",
      "links": [
        [
          "underlätta",
          "underlätta#Swedish"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "passive",
        "past"
      ]
    }
  ],
  "word": "underlättades"
}

{
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "verb form"
      },
      "expansion": "underlättades",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Swedish entries with incorrect language header",
        "Swedish non-lemma forms",
        "Swedish verb forms"
      ],
      "form_of": [
        {
          "word": "underlätta"
        }
      ],
      "glosses": [
        "past passive indicative of underlätta"
      ],
      "links": [
        [
          "underlätta",
          "underlätta#Swedish"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "passive",
        "past"
      ]
    }
  ],
  "word": "underlättades"
}