"-un" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "-an"
      },
      "expansion": "Old Norse -an",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*-ōniz"
      },
      "expansion": "Proto-Germanic *-ōniz",
      "name": "inh"
    }
  ],
  "etymology_text": "U-mutated variant of -an, from Old Norse -an, from Proto-Germanic *-ōniz.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-un f",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "12 15 18 14 15 15 5 5",
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 15 17 13 14 14 7 8",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "þróa (“develop”) – þróun (“development”)"
        },
        {
          "text": "hafna (“reject”) – höfnun (“rejection”)"
        }
      ],
      "glosses": [
        "Forms nouns from verbs (generally class 4 weak verbs) denoting the action or state described by the verb"
      ],
      "id": "en--un-is-suffix-fxOfzhgR",
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʏn/"
    }
  ],
  "word": "-un"
}

{
  "categories": [
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "-an"
      },
      "expansion": "Old Norse -an",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*-ōniz"
      },
      "expansion": "Proto-Germanic *-ōniz",
      "name": "inh"
    }
  ],
  "etymology_text": "U-mutated variant of -an, from Old Norse -an, from Proto-Germanic *-ōniz.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-un f",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic feminine suffixes",
        "Icelandic lemmas",
        "Icelandic suffixes",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms derived from Proto-Germanic",
        "Icelandic terms inherited from Old Norse",
        "Icelandic terms inherited from Proto-Germanic",
        "Pages with 7 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "þróa (“develop”) – þróun (“development”)"
        },
        {
          "text": "hafna (“reject”) – höfnun (“rejection”)"
        }
      ],
      "glosses": [
        "Forms nouns from verbs (generally class 4 weak verbs) denoting the action or state described by the verb"
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʏn/"
    }
  ],
  "word": "-un"
}