"gack" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "non",
        "3": "gakk"
      },
      "expansion": "Old Norse gakk",
      "name": "inh"
    },
    {
      "args": {
        "1": "nn",
        "2": "gakk"
      },
      "expansion": "Norwegian Nynorsk gakk",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse gakk, compare dialectal Norwegian Nynorsk gakk.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "verb form",
        "cat2": "obsolete verb forms"
      },
      "expansion": "gack",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "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": "gå"
        }
      ],
      "glosses": [
        "singular imperative of gå"
      ],
      "id": "en-gack-sv-verb-1yATCmLf",
      "links": [
        [
          "gå",
          "gå#Swedish"
        ]
      ],
      "raw_glosses": [
        "(archaic) singular imperative of gå"
      ],
      "tags": [
        "archaic",
        "form-of",
        "imperative",
        "singular"
      ]
    }
  ],
  "word": "gack"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "non",
        "3": "gakk"
      },
      "expansion": "Old Norse gakk",
      "name": "inh"
    },
    {
      "args": {
        "1": "nn",
        "2": "gakk"
      },
      "expansion": "Norwegian Nynorsk gakk",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse gakk, compare dialectal Norwegian Nynorsk gakk.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "verb form",
        "cat2": "obsolete verb forms"
      },
      "expansion": "gack",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Swedish entries with incorrect language header",
        "Swedish non-lemma forms",
        "Swedish obsolete verb forms",
        "Swedish terms derived from Old Norse",
        "Swedish terms inherited from Old Norse",
        "Swedish terms with archaic senses",
        "Swedish verb forms"
      ],
      "form_of": [
        {
          "word": "gå"
        }
      ],
      "glosses": [
        "singular imperative of gå"
      ],
      "links": [
        [
          "gå",
          "gå#Swedish"
        ]
      ],
      "raw_glosses": [
        "(archaic) singular imperative of gå"
      ],
      "tags": [
        "archaic",
        "form-of",
        "imperative",
        "singular"
      ]
    }
  ],
  "word": "gack"
}