"-sel" meaning in Norwegian Nynorsk

{
  "etymology_templates": [
    {
      "args": {
        "1": "nn",
        "2": "non",
        "3": "-sl"
      },
      "expansion": "Old Norse -sl",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse -sl, -sla.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "suffix",
        "g": "m"
      },
      "expansion": "-sel m",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Nynorsk entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 11 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "used to form nouns from verbs."
      ],
      "id": "en--sel-nn-suffix-bKu4VVQM",
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-sel"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nn",
        "2": "non",
        "3": "-sl"
      },
      "expansion": "Old Norse -sl",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse -sl, -sla.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "suffix",
        "g": "m"
      },
      "expansion": "-sel m",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Norwegian Nynorsk entries with incorrect language header",
        "Norwegian Nynorsk lemmas",
        "Norwegian Nynorsk masculine suffixes",
        "Norwegian Nynorsk suffixes",
        "Norwegian Nynorsk terms derived from Old Norse",
        "Pages using catfix",
        "Pages with 11 entries",
        "Pages with entries"
      ],
      "glosses": [
        "used to form nouns from verbs."
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-sel"
}