"jafn-" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "jafn-"
      },
      "expansion": "Old Norse jafn-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse jafn-.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefixes"
      },
      "expansion": "jafn-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I don't know why people dish out so much cash for fancy food—this tastes just as good.",
          "text": "Ég veit ekki af hverju fólk borgar svona mikið fyrir fínan mat — mér finnst þetta alveg jafngott.",
          "type": "example"
        }
      ],
      "glosses": [
        "equally, as, just as"
      ],
      "id": "en-jafn--is-prefix-OwRJ3Dws",
      "links": [
        [
          "equally",
          "equally"
        ],
        [
          "as",
          "as"
        ],
        [
          "just",
          "just"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "jafn-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "jafn-"
      },
      "expansion": "Old Norse jafn-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse jafn-.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefixes"
      },
      "expansion": "jafn-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic prefixes",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms inherited from Old Norse",
        "Icelandic terms with usage examples"
      ],
      "examples": [
        {
          "english": "I don't know why people dish out so much cash for fancy food—this tastes just as good.",
          "text": "Ég veit ekki af hverju fólk borgar svona mikið fyrir fínan mat — mér finnst þetta alveg jafngott.",
          "type": "example"
        }
      ],
      "glosses": [
        "equally, as, just as"
      ],
      "links": [
        [
          "equally",
          "equally"
        ],
        [
          "as",
          "as"
        ],
        [
          "just",
          "just"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "jafn-"
}