"býsna" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "býsna-",
        "4": "",
        "5": "pretty, tolerably"
      },
      "expansion": "Old Norse býsna- (“pretty, tolerably”)",
      "name": "der"
    },
    {
      "args": {
        "1": "de",
        "2": "ziemlich"
      },
      "expansion": "German ziemlich",
      "name": "cog"
    }
  ],
  "etymology_text": "From the Old Norse býsna- (“pretty, tolerably”). Compare the German ziemlich.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "adverbs"
      },
      "expansion": "býsna",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I'm rather tired.",
          "text": "Ég er býsna þreyttur.",
          "type": "example"
        }
      ],
      "glosses": [
        "very, rather, pretty"
      ],
      "id": "en-býsna-is-adv-47iZxeUx",
      "links": [
        [
          "very",
          "very"
        ],
        [
          "rather",
          "rather"
        ],
        [
          "pretty",
          "pretty"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈpistn̥a/"
    },
    {
      "rhymes": "-istna"
    }
  ],
  "word": "býsna"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "býsna-",
        "4": "",
        "5": "pretty, tolerably"
      },
      "expansion": "Old Norse býsna- (“pretty, tolerably”)",
      "name": "der"
    },
    {
      "args": {
        "1": "de",
        "2": "ziemlich"
      },
      "expansion": "German ziemlich",
      "name": "cog"
    }
  ],
  "etymology_text": "From the Old Norse býsna- (“pretty, tolerably”). Compare the German ziemlich.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "adverbs"
      },
      "expansion": "býsna",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Icelandic 2-syllable words",
        "Icelandic adverbs",
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms with IPA pronunciation",
        "Icelandic terms with usage examples",
        "Rhymes:Icelandic/istna",
        "Rhymes:Icelandic/istna/2 syllables"
      ],
      "examples": [
        {
          "english": "I'm rather tired.",
          "text": "Ég er býsna þreyttur.",
          "type": "example"
        }
      ],
      "glosses": [
        "very, rather, pretty"
      ],
      "links": [
        [
          "very",
          "very"
        ],
        [
          "rather",
          "rather"
        ],
        [
          "pretty",
          "pretty"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈpistn̥a/"
    },
    {
      "rhymes": "-istna"
    }
  ],
  "word": "býsna"
}