"haldast" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "halda<t:to hold>",
        "3": "-st"
      },
      "expansion": "halda (“to hold”) + -st",
      "name": "af"
    }
  ],
  "etymology_text": "From halda (“to hold”) + -st.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verbs"
      },
      "expansion": "haldast",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Icelandic terms suffixed with -st",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "haldast í hendur"
        },
        {
          "word": "haldast uppi"
        },
        {
          "word": "haldast vel á"
        },
        {
          "word": "haldast illa á"
        }
      ],
      "glosses": [
        "to hold"
      ],
      "id": "en-haldast-is-verb-wddo9PTy",
      "links": [
        [
          "hold",
          "hold"
        ]
      ]
    }
  ],
  "word": "haldast"
}

{
  "derived": [
    {
      "word": "haldast í hendur"
    },
    {
      "word": "haldast uppi"
    },
    {
      "word": "haldast vel á"
    },
    {
      "word": "haldast illa á"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "halda<t:to hold>",
        "3": "-st"
      },
      "expansion": "halda (“to hold”) + -st",
      "name": "af"
    }
  ],
  "etymology_text": "From halda (“to hold”) + -st.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verbs"
      },
      "expansion": "haldast",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic terms suffixed with -st",
        "Icelandic verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "to hold"
      ],
      "links": [
        [
          "hold",
          "hold"
        ]
      ]
    }
  ],
  "word": "haldast"
}